Home / 425,729.28-587,510.40-234,749.52

Finding the Fourth Proportional to 425,729.28, 587,510.40 and 234,749.52

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Solution

The fourth proportional to 425,729.28, 587,510.40 and 234,749.52 is: 323,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,729.28 : 587,510.40 = 234,749.52 : x
  2. Step 2: Convert to fraction form
    425,729.28/587,510.40 = 234,749.52/x
  3. Step 3: Cross multiply
    425,729.28x = 587,510.40 × 234,749.52
  4. Step 4: Simplify right side
    425,729.28x = 137,917,784,395.01
  5. Step 5: Solve for x
    x = 137,917,784,395.01/425,729.28
  6. Step 6: Final answer
    x = 323,956.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.