Home / 753,344.20-1,039,622.56-409,186.85

Finding the Fourth Proportional to 753,344.20, 1,039,622.56 and 409,186.85

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Solution

The fourth proportional to 753,344.20, 1,039,622.56 and 409,186.85 is: 564,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,344.20 : 1,039,622.56 = 409,186.85 : x
  2. Step 2: Convert to fraction form
    753,344.20/1,039,622.56 = 409,186.85/x
  3. Step 3: Cross multiply
    753,344.20x = 1,039,622.56 × 409,186.85
  4. Step 4: Simplify right side
    753,344.20x = 425,399,876,595.93
  5. Step 5: Solve for x
    x = 425,399,876,595.93/753,344.20
  6. Step 6: Final answer
    x = 564,681.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.