Home / 537,800.31-742,158.45-296,077.88

Finding the Fourth Proportional to 537,800.31, 742,158.45 and 296,077.88

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Solution

The fourth proportional to 537,800.31, 742,158.45 and 296,077.88 is: 408,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,800.31 : 742,158.45 = 296,077.88 : x
  2. Step 2: Convert to fraction form
    537,800.31/742,158.45 = 296,077.88/x
  3. Step 3: Cross multiply
    537,800.31x = 742,158.45 × 296,077.88
  4. Step 4: Simplify right side
    537,800.31x = 219,736,702,355.48
  5. Step 5: Solve for x
    x = 219,736,702,355.48/537,800.31
  6. Step 6: Final answer
    x = 408,584.19

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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.