Home / 864,134.48-1,192,505.28-482,161.16

Finding the Fourth Proportional to 864,134.48, 1,192,505.28 and 482,161.16

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Solution

The fourth proportional to 864,134.48, 1,192,505.28 and 482,161.16 is: 665,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,134.48 : 1,192,505.28 = 482,161.16 : x
  2. Step 2: Convert to fraction form
    864,134.48/1,192,505.28 = 482,161.16/x
  3. Step 3: Cross multiply
    864,134.48x = 1,192,505.28 × 482,161.16
  4. Step 4: Simplify right side
    864,134.48x = 574,979,729,110.93
  5. Step 5: Solve for x
    x = 574,979,729,110.93/864,134.48
  6. Step 6: Final answer
    x = 665,382.23

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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.