Home / 622,838.10-934,257.15-498,422.10

Finding the Fourth Proportional to 622,838.10, 934,257.15 and 498,422.10

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Solution

The fourth proportional to 622,838.10, 934,257.15 and 498,422.10 is: 747,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,838.10 : 934,257.15 = 498,422.10 : x
  2. Step 2: Convert to fraction form
    622,838.10/934,257.15 = 498,422.10/x
  3. Step 3: Cross multiply
    622,838.10x = 934,257.15 × 498,422.10
  4. Step 4: Simplify right side
    622,838.10x = 465,654,410,643.02
  5. Step 5: Solve for x
    x = 465,654,410,643.02/622,838.10
  6. Step 6: Final answer
    x = 747,633.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.