Home / 865,385.47-1,298,098.25-296,761.82

Finding the Fourth Proportional to 865,385.47, 1,298,098.25 and 296,761.82

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Solution

The fourth proportional to 865,385.47, 1,298,098.25 and 296,761.82 is: 445,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,385.47 : 1,298,098.25 = 296,761.82 : x
  2. Step 2: Convert to fraction form
    865,385.47/1,298,098.25 = 296,761.82/x
  3. Step 3: Cross multiply
    865,385.47x = 1,298,098.25 × 296,761.82
  4. Step 4: Simplify right side
    865,385.47x = 385,225,997,725.01
  5. Step 5: Solve for x
    x = 385,225,997,725.01/865,385.47
  6. Step 6: Final answer
    x = 445,149.60

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1.5x scale

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.