Home / 908,109.41-1,253,144.67-500,202.46

Finding the Fourth Proportional to 908,109.41, 1,253,144.67 and 500,202.46

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Solution

The fourth proportional to 908,109.41, 1,253,144.67 and 500,202.46 is: 690,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,109.41 : 1,253,144.67 = 500,202.46 : x
  2. Step 2: Convert to fraction form
    908,109.41/1,253,144.67 = 500,202.46/x
  3. Step 3: Cross multiply
    908,109.41x = 1,253,144.67 × 500,202.46
  4. Step 4: Simplify right side
    908,109.41x = 626,826,040,404.17
  5. Step 5: Solve for x
    x = 626,826,040,404.17/908,109.41
  6. Step 6: Final answer
    x = 690,253.88

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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.