Home / 784,753.91-1,082,876.51-440,627.66

Finding the Fourth Proportional to 784,753.91, 1,082,876.51 and 440,627.66

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Solution

The fourth proportional to 784,753.91, 1,082,876.51 and 440,627.66 is: 608,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,753.91 : 1,082,876.51 = 440,627.66 : x
  2. Step 2: Convert to fraction form
    784,753.91/1,082,876.51 = 440,627.66/x
  3. Step 3: Cross multiply
    784,753.91x = 1,082,876.51 × 440,627.66
  4. Step 4: Simplify right side
    784,753.91x = 477,145,342,082.16
  5. Step 5: Solve for x
    x = 477,145,342,082.16/784,753.91
  6. Step 6: Final answer
    x = 608,019.07

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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.