Home / 1,569,189.45-2,353,784.18-431,949.45

Finding the Fourth Proportional to 1,569,189.45, 2,353,784.18 and 431,949.45

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Solution

The fourth proportional to 1,569,189.45, 2,353,784.18 and 431,949.45 is: 647,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,189.45 : 2,353,784.18 = 431,949.45 : x
  2. Step 2: Convert to fraction form
    1,569,189.45/2,353,784.18 = 431,949.45/x
  3. Step 3: Cross multiply
    1,569,189.45x = 2,353,784.18 × 431,949.45
  4. Step 4: Simplify right side
    1,569,189.45x = 1,016,715,781,969.70
  5. Step 5: Solve for x
    x = 1,016,715,781,969.70/1,569,189.45
  6. Step 6: Final answer
    x = 647,924.18

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Double scale
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Similar ratio
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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.