Home / 747,071.52-1,030,916.64-424,737.12

Finding the Fourth Proportional to 747,071.52, 1,030,916.64 and 424,737.12

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Solution

The fourth proportional to 747,071.52, 1,030,916.64 and 424,737.12 is: 586,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,071.52 : 1,030,916.64 = 424,737.12 : x
  2. Step 2: Convert to fraction form
    747,071.52/1,030,916.64 = 424,737.12/x
  3. Step 3: Cross multiply
    747,071.52x = 1,030,916.64 × 424,737.12
  4. Step 4: Simplify right side
    747,071.52x = 437,868,564,633.68
  5. Step 5: Solve for x
    x = 437,868,564,633.68/747,071.52
  6. Step 6: Final answer
    x = 586,113.31

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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.