Home / 466,251.26-643,427.69-275,276.93

Finding the Fourth Proportional to 466,251.26, 643,427.69 and 275,276.93

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Solution

The fourth proportional to 466,251.26, 643,427.69 and 275,276.93 is: 379,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,251.26 : 643,427.69 = 275,276.93 : x
  2. Step 2: Convert to fraction form
    466,251.26/643,427.69 = 275,276.93/x
  3. Step 3: Cross multiply
    466,251.26x = 643,427.69 × 275,276.93
  4. Step 4: Simplify right side
    466,251.26x = 177,120,794,586.67
  5. Step 5: Solve for x
    x = 177,120,794,586.67/466,251.26
  6. Step 6: Final answer
    x = 379,882.72

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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.