Home / 654,178.83-902,634.47-382,194.20

Finding the Fourth Proportional to 654,178.83, 902,634.47 and 382,194.20

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Solution

The fourth proportional to 654,178.83, 902,634.47 and 382,194.20 is: 527,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,178.83 : 902,634.47 = 382,194.20 : x
  2. Step 2: Convert to fraction form
    654,178.83/902,634.47 = 382,194.20/x
  3. Step 3: Cross multiply
    654,178.83x = 902,634.47 × 382,194.20
  4. Step 4: Simplify right side
    654,178.83x = 344,981,652,729.93
  5. Step 5: Solve for x
    x = 344,981,652,729.93/654,178.83
  6. Step 6: Final answer
    x = 527,350.68

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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.