Home / 947,330.87-1,307,314.59-517,614.08

Finding the Fourth Proportional to 947,330.87, 1,307,314.59 and 517,614.08

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Solution

The fourth proportional to 947,330.87, 1,307,314.59 and 517,614.08 is: 714,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,330.87 : 1,307,314.59 = 517,614.08 : x
  2. Step 2: Convert to fraction form
    947,330.87/1,307,314.59 = 517,614.08/x
  3. Step 3: Cross multiply
    947,330.87x = 1,307,314.59 × 517,614.08
  4. Step 4: Simplify right side
    947,330.87x = 676,684,438,773.43
  5. Step 5: Solve for x
    x = 676,684,438,773.43/947,330.87
  6. Step 6: Final answer
    x = 714,306.33

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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.