Home / 864,132.68-1,192,502.34-482,159.45

Finding the Fourth Proportional to 864,132.68, 1,192,502.34 and 482,159.45

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Solution

The fourth proportional to 864,132.68, 1,192,502.34 and 482,159.45 is: 665,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,132.68 : 1,192,502.34 = 482,159.45 : x
  2. Step 2: Convert to fraction form
    864,132.68/1,192,502.34 = 482,159.45/x
  3. Step 3: Cross multiply
    864,132.68x = 1,192,502.34 × 482,159.45
  4. Step 4: Simplify right side
    864,132.68x = 574,976,266,415.60
  5. Step 5: Solve for x
    x = 574,976,266,415.60/864,132.68
  6. Step 6: Final answer
    x = 665,379.61

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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.