Home / 534,748.20-802,122.30-219,431.40

Finding the Fourth Proportional to 534,748.20, 802,122.30 and 219,431.40

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Solution

The fourth proportional to 534,748.20, 802,122.30 and 219,431.40 is: 329,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,748.20 : 802,122.30 = 219,431.40 : x
  2. Step 2: Convert to fraction form
    534,748.20/802,122.30 = 219,431.40/x
  3. Step 3: Cross multiply
    534,748.20x = 802,122.30 × 219,431.40
  4. Step 4: Simplify right side
    534,748.20x = 176,010,819,260.22
  5. Step 5: Solve for x
    x = 176,010,819,260.22/534,748.20
  6. Step 6: Final answer
    x = 329,147.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.