Home / 908,071.52-1,253,140.13-500,174.48

Finding the Fourth Proportional to 908,071.52, 1,253,140.13 and 500,174.48

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Solution

The fourth proportional to 908,071.52, 1,253,140.13 and 500,174.48 is: 690,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,071.52 : 1,253,140.13 = 500,174.48 : x
  2. Step 2: Convert to fraction form
    908,071.52/1,253,140.13 = 500,174.48/x
  3. Step 3: Cross multiply
    908,071.52x = 1,253,140.13 × 500,174.48
  4. Step 4: Simplify right side
    908,071.52x = 626,788,717,273.17
  5. Step 5: Solve for x
    x = 626,788,717,273.17/908,071.52
  6. Step 6: Final answer
    x = 690,241.58

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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.