Home / 868,439.86-1,198,513.50-546,425.98

Finding the Fourth Proportional to 868,439.86, 1,198,513.50 and 546,425.98

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Solution

The fourth proportional to 868,439.86, 1,198,513.50 and 546,425.98 is: 754,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,439.86 : 1,198,513.50 = 546,425.98 : x
  2. Step 2: Convert to fraction form
    868,439.86/1,198,513.50 = 546,425.98/x
  3. Step 3: Cross multiply
    868,439.86x = 1,198,513.50 × 546,425.98
  4. Step 4: Simplify right side
    868,439.86x = 654,898,913,780.73
  5. Step 5: Solve for x
    x = 654,898,913,780.73/868,439.86
  6. Step 6: Final answer
    x = 754,109.69

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Double scale
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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.