Home / 535,109.90-802,664.85-219,793.10

Finding the Fourth Proportional to 535,109.90, 802,664.85 and 219,793.10

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Solution

The fourth proportional to 535,109.90, 802,664.85 and 219,793.10 is: 329,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,109.90 : 802,664.85 = 219,793.10 : x
  2. Step 2: Convert to fraction form
    535,109.90/802,664.85 = 219,793.10/x
  3. Step 3: Cross multiply
    535,109.90x = 802,664.85 × 219,793.10
  4. Step 4: Simplify right side
    535,109.90x = 176,420,195,642.54
  5. Step 5: Solve for x
    x = 176,420,195,642.54/535,109.90
  6. Step 6: Final answer
    x = 329,689.65

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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.