Home / 908,310.48-1,253,566.98-500,454.15

Finding the Fourth Proportional to 908,310.48, 1,253,566.98 and 500,454.15

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Solution

The fourth proportional to 908,310.48, 1,253,566.98 and 500,454.15 is: 690,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,310.48 : 1,253,566.98 = 500,454.15 : x
  2. Step 2: Convert to fraction form
    908,310.48/1,253,566.98 = 500,454.15/x
  3. Step 3: Cross multiply
    908,310.48x = 1,253,566.98 × 500,454.15
  4. Step 4: Simplify right side
    908,310.48x = 627,352,797,443.97
  5. Step 5: Solve for x
    x = 627,352,797,443.97/908,310.48
  6. Step 6: Final answer
    x = 690,681.01

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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.