Home / 939,331.20-1,407,842.10-433,189.56

Finding the Fourth Proportional to 939,331.20, 1,407,842.10 and 433,189.56

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Solution

The fourth proportional to 939,331.20, 1,407,842.10 and 433,189.56 is: 649,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,331.20 : 1,407,842.10 = 433,189.56 : x
  2. Step 2: Convert to fraction form
    939,331.20/1,407,842.10 = 433,189.56/x
  3. Step 3: Cross multiply
    939,331.20x = 1,407,842.10 × 433,189.56
  4. Step 4: Simplify right side
    939,331.20x = 609,862,499,848.48
  5. Step 5: Solve for x
    x = 609,862,499,848.48/939,331.20
  6. Step 6: Final answer
    x = 649,251.83

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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.