Home / 566,039.52-781,136.46-307,916.28

Finding the Fourth Proportional to 566,039.52, 781,136.46 and 307,916.28

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Solution

The fourth proportional to 566,039.52, 781,136.46 and 307,916.28 is: 424,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,039.52 : 781,136.46 = 307,916.28 : x
  2. Step 2: Convert to fraction form
    566,039.52/781,136.46 = 307,916.28/x
  3. Step 3: Cross multiply
    566,039.52x = 781,136.46 × 307,916.28
  4. Step 4: Simplify right side
    566,039.52x = 240,524,632,935.57
  5. Step 5: Solve for x
    x = 240,524,632,935.57/566,039.52
  6. Step 6: Final answer
    x = 424,925.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.