Home / 763,592.76-1,053,729.12-424,082.88

Finding the Fourth Proportional to 763,592.76, 1,053,729.12 and 424,082.88

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Solution

The fourth proportional to 763,592.76, 1,053,729.12 and 424,082.88 is: 585,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,592.76 : 1,053,729.12 = 424,082.88 : x
  2. Step 2: Convert to fraction form
    763,592.76/1,053,729.12 = 424,082.88/x
  3. Step 3: Cross multiply
    763,592.76x = 1,053,729.12 × 424,082.88
  4. Step 4: Simplify right side
    763,592.76x = 446,868,479,949.47
  5. Step 5: Solve for x
    x = 446,868,479,949.47/763,592.76
  6. Step 6: Final answer
    x = 585,218.33

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Half scale
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Double scale
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Similar ratio
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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.