Home / 1,143,679.30-1,715,000.55-433,471.30

Finding the Fourth Proportional to 1,143,679.30, 1,715,000.55 and 433,471.30

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Solution

The fourth proportional to 1,143,679.30, 1,715,000.55 and 433,471.30 is: 650,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,679.30 : 1,715,000.55 = 433,471.30 : x
  2. Step 2: Convert to fraction form
    1,143,679.30/1,715,000.55 = 433,471.30/x
  3. Step 3: Cross multiply
    1,143,679.30x = 1,715,000.55 × 433,471.30
  4. Step 4: Simplify right side
    1,143,679.30x = 743,403,517,909.22
  5. Step 5: Solve for x
    x = 743,403,517,909.22/1,143,679.30
  6. Step 6: Final answer
    x = 650,010.47

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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.