Home / 908,149.52-1,253,240.50-500,241.90

Finding the Fourth Proportional to 908,149.52, 1,253,240.50 and 500,241.90

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Solution

The fourth proportional to 908,149.52, 1,253,240.50 and 500,241.90 is: 690,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,149.52 : 1,253,240.50 = 500,241.90 : x
  2. Step 2: Convert to fraction form
    908,149.52/1,253,240.50 = 500,241.90/x
  3. Step 3: Cross multiply
    908,149.52x = 1,253,240.50 × 500,241.90
  4. Step 4: Simplify right side
    908,149.52x = 626,923,412,326.00
  5. Step 5: Solve for x
    x = 626,923,412,326.00/908,149.52
  6. Step 6: Final answer
    x = 690,330.61

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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.