Home / 928,141.89-1,391,819.16-329,253.81

Finding the Fourth Proportional to 928,141.89, 1,391,819.16 and 329,253.81

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Solution

The fourth proportional to 928,141.89, 1,391,819.16 and 329,253.81 is: 493,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,141.89 : 1,391,819.16 = 329,253.81 : x
  2. Step 2: Convert to fraction form
    928,141.89/1,391,819.16 = 329,253.81/x
  3. Step 3: Cross multiply
    928,141.89x = 1,391,819.16 × 329,253.81
  4. Step 4: Simplify right side
    928,141.89x = 458,261,761,261.00
  5. Step 5: Solve for x
    x = 458,261,761,261.00/928,141.89
  6. Step 6: Final answer
    x = 493,741.06

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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.