Home / 865,688.96-1,193,223.36-579,105.92

Finding the Fourth Proportional to 865,688.96, 1,193,223.36 and 579,105.92

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Solution

The fourth proportional to 865,688.96, 1,193,223.36 and 579,105.92 is: 798,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,688.96 : 1,193,223.36 = 579,105.92 : x
  2. Step 2: Convert to fraction form
    865,688.96/1,193,223.36 = 579,105.92/x
  3. Step 3: Cross multiply
    865,688.96x = 1,193,223.36 × 579,105.92
  4. Step 4: Simplify right side
    865,688.96x = 691,002,711,658.29
  5. Step 5: Solve for x
    x = 691,002,711,658.29/865,688.96
  6. Step 6: Final answer
    x = 798,211.30

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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.