Home / 534,761.32-802,143.06-219,161.56

Finding the Fourth Proportional to 534,761.32, 802,143.06 and 219,161.56

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Solution

The fourth proportional to 534,761.32, 802,143.06 and 219,161.56 is: 328,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,761.32 : 802,143.06 = 219,161.56 : x
  2. Step 2: Convert to fraction form
    534,761.32/802,143.06 = 219,161.56/x
  3. Step 3: Cross multiply
    534,761.32x = 802,143.06 × 219,161.56
  4. Step 4: Simplify right side
    534,761.32x = 175,798,924,372.77
  5. Step 5: Solve for x
    x = 175,798,924,372.77/534,761.32
  6. Step 6: Final answer
    x = 328,742.78

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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.