Home / 591,731.40-887,597.10-276,220.20

Finding the Fourth Proportional to 591,731.40, 887,597.10 and 276,220.20

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Solution

The fourth proportional to 591,731.40, 887,597.10 and 276,220.20 is: 414,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,731.40 : 887,597.10 = 276,220.20 : x
  2. Step 2: Convert to fraction form
    591,731.40/887,597.10 = 276,220.20/x
  3. Step 3: Cross multiply
    591,731.40x = 887,597.10 × 276,220.20
  4. Step 4: Simplify right side
    591,731.40x = 245,172,248,481.42
  5. Step 5: Solve for x
    x = 245,172,248,481.42/591,731.40
  6. Step 6: Final answer
    x = 414,330.30

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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.