Home / 908,098.77-1,253,130.01-500,191.83

Finding the Fourth Proportional to 908,098.77, 1,253,130.01 and 500,191.83

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Solution

The fourth proportional to 908,098.77, 1,253,130.01 and 500,191.83 is: 690,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,098.77 : 1,253,130.01 = 500,191.83 : x
  2. Step 2: Convert to fraction form
    908,098.77/1,253,130.01 = 500,191.83/x
  3. Step 3: Cross multiply
    908,098.77x = 1,253,130.01 × 500,191.83
  4. Step 4: Simplify right side
    908,098.77x = 626,805,391,679.34
  5. Step 5: Solve for x
    x = 626,805,391,679.34/908,098.77
  6. Step 6: Final answer
    x = 690,239.23

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Half scale
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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.