Home / 546,724.90-753,810.06-449,589.30

Finding the Fourth Proportional to 546,724.90, 753,810.06 and 449,589.30

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Solution

The fourth proportional to 546,724.90, 753,810.06 and 449,589.30 is: 619,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,724.90 : 753,810.06 = 449,589.30 : x
  2. Step 2: Convert to fraction form
    546,724.90/753,810.06 = 449,589.30/x
  3. Step 3: Cross multiply
    546,724.90x = 753,810.06 × 449,589.30
  4. Step 4: Simplify right side
    546,724.90x = 338,904,937,208.36
  5. Step 5: Solve for x
    x = 338,904,937,208.36/546,724.90
  6. Step 6: Final answer
    x = 619,882.02

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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.