Home / 1,569,142.70-2,353,714.05-431,902.70

Finding the Fourth Proportional to 1,569,142.70, 2,353,714.05 and 431,902.70

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Solution

The fourth proportional to 1,569,142.70, 2,353,714.05 and 431,902.70 is: 647,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,142.70 : 2,353,714.05 = 431,902.70 : x
  2. Step 2: Convert to fraction form
    1,569,142.70/2,353,714.05 = 431,902.70/x
  3. Step 3: Cross multiply
    1,569,142.70x = 2,353,714.05 × 431,902.70
  4. Step 4: Simplify right side
    1,569,142.70x = 1,016,575,453,222.94
  5. Step 5: Solve for x
    x = 1,016,575,453,222.94/1,569,142.70
  6. Step 6: Final answer
    x = 647,854.05

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,569,143.70, 2,353,715.55 and 431,903.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.