Home / 534,743.20-802,114.80-219,426.40

Finding the Fourth Proportional to 534,743.20, 802,114.80 and 219,426.40

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Solution

The fourth proportional to 534,743.20, 802,114.80 and 219,426.40 is: 329,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,743.20 : 802,114.80 = 219,426.40 : x
  2. Step 2: Convert to fraction form
    534,743.20/802,114.80 = 219,426.40/x
  3. Step 3: Cross multiply
    534,743.20x = 802,114.80 × 219,426.40
  4. Step 4: Simplify right side
    534,743.20x = 176,005,162,950.72
  5. Step 5: Solve for x
    x = 176,005,162,950.72/534,743.20
  6. Step 6: Final answer
    x = 329,139.60

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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.