Home / 763,500.30-1,145,250.45-595,538.70

Finding the Fourth Proportional to 763,500.30, 1,145,250.45 and 595,538.70

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Solution

The fourth proportional to 763,500.30, 1,145,250.45 and 595,538.70 is: 893,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,500.30 : 1,145,250.45 = 595,538.70 : x
  2. Step 2: Convert to fraction form
    763,500.30/1,145,250.45 = 595,538.70/x
  3. Step 3: Cross multiply
    763,500.30x = 1,145,250.45 × 595,538.70
  4. Step 4: Simplify right side
    763,500.30x = 682,040,964,167.42
  5. Step 5: Solve for x
    x = 682,040,964,167.42/763,500.30
  6. Step 6: Final answer
    x = 893,308.05

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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.