Home / 791,128.91-1,187,472.99-563,677.15

Finding the Fourth Proportional to 791,128.91, 1,187,472.99 and 563,677.15

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Solution

The fourth proportional to 791,128.91, 1,187,472.99 and 563,677.15 is: 846,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,128.91 : 1,187,472.99 = 563,677.15 : x
  2. Step 2: Convert to fraction form
    791,128.91/1,187,472.99 = 563,677.15/x
  3. Step 3: Cross multiply
    791,128.91x = 1,187,472.99 × 563,677.15
  4. Step 4: Simplify right side
    791,128.91x = 669,351,390,705.18
  5. Step 5: Solve for x
    x = 669,351,390,705.18/791,128.91
  6. Step 6: Final answer
    x = 846,071.21

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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.