Home / 460,921.20-636,560.28-375,102.96

Finding the Fourth Proportional to 460,921.20, 636,560.28 and 375,102.96

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Solution

The fourth proportional to 460,921.20, 636,560.28 and 375,102.96 is: 518,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,921.20 : 636,560.28 = 375,102.96 : x
  2. Step 2: Convert to fraction form
    460,921.20/636,560.28 = 375,102.96/x
  3. Step 3: Cross multiply
    460,921.20x = 636,560.28 × 375,102.96
  4. Step 4: Simplify right side
    460,921.20x = 238,775,645,246.43
  5. Step 5: Solve for x
    x = 238,775,645,246.43/460,921.20
  6. Step 6: Final answer
    x = 518,040.06

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1.5x scale

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.