Home / 537,865.40-742,248.24-296,143.04

Finding the Fourth Proportional to 537,865.40, 742,248.24 and 296,143.04

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Solution

The fourth proportional to 537,865.40, 742,248.24 and 296,143.04 is: 408,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,865.40 : 742,248.24 = 296,143.04 : x
  2. Step 2: Convert to fraction form
    537,865.40/742,248.24 = 296,143.04/x
  3. Step 3: Cross multiply
    537,865.40x = 742,248.24 × 296,143.04
  4. Step 4: Simplify right side
    537,865.40x = 219,811,650,228.25
  5. Step 5: Solve for x
    x = 219,811,650,228.25/537,865.40
  6. Step 6: Final answer
    x = 408,674.09

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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.