Home / 654,286.60-902,853.30-382,418.20

Finding the Fourth Proportional to 654,286.60, 902,853.30 and 382,418.20

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Solution

The fourth proportional to 654,286.60, 902,853.30 and 382,418.20 is: 527,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,286.60 : 902,853.30 = 382,418.20 : x
  2. Step 2: Convert to fraction form
    654,286.60/902,853.30 = 382,418.20/x
  3. Step 3: Cross multiply
    654,286.60x = 902,853.30 × 382,418.20
  4. Step 4: Simplify right side
    654,286.60x = 345,267,533,850.06
  5. Step 5: Solve for x
    x = 345,267,533,850.06/654,286.60
  6. Step 6: Final answer
    x = 527,700.76

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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.