Home / 868,792.68-1,198,932.30-529,260.93

Finding the Fourth Proportional to 868,792.68, 1,198,932.30 and 529,260.93

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Solution

The fourth proportional to 868,792.68, 1,198,932.30 and 529,260.93 is: 730,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,792.68 : 1,198,932.30 = 529,260.93 : x
  2. Step 2: Convert to fraction form
    868,792.68/1,198,932.30 = 529,260.93/x
  3. Step 3: Cross multiply
    868,792.68x = 1,198,932.30 × 529,260.93
  4. Step 4: Simplify right side
    868,792.68x = 634,548,024,105.04
  5. Step 5: Solve for x
    x = 634,548,024,105.04/868,792.68
  6. Step 6: Final answer
    x = 730,379.11

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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.