Home / 591,553.40-887,330.10-486,577.40

Finding the Fourth Proportional to 591,553.40, 887,330.10 and 486,577.40

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Solution

The fourth proportional to 591,553.40, 887,330.10 and 486,577.40 is: 729,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,553.40 : 887,330.10 = 486,577.40 : x
  2. Step 2: Convert to fraction form
    591,553.40/887,330.10 = 486,577.40/x
  3. Step 3: Cross multiply
    591,553.40x = 887,330.10 × 486,577.40
  4. Step 4: Simplify right side
    591,553.40x = 431,754,772,999.74
  5. Step 5: Solve for x
    x = 431,754,772,999.74/591,553.40
  6. Step 6: Final answer
    x = 729,866.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.