Home / 1,569,161.70-2,353,742.55-431,921.70

Finding the Fourth Proportional to 1,569,161.70, 2,353,742.55 and 431,921.70

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Solution

The fourth proportional to 1,569,161.70, 2,353,742.55 and 431,921.70 is: 647,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,161.70 : 2,353,742.55 = 431,921.70 : x
  2. Step 2: Convert to fraction form
    1,569,161.70/2,353,742.55 = 431,921.70/x
  3. Step 3: Cross multiply
    1,569,161.70x = 2,353,742.55 × 431,921.70
  4. Step 4: Simplify right side
    1,569,161.70x = 1,016,632,483,558.34
  5. Step 5: Solve for x
    x = 1,016,632,483,558.34/1,569,161.70
  6. Step 6: Final answer
    x = 647,882.55

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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.