Home / 439,019.22-658,528.90-123,476.12

Finding the Fourth Proportional to 439,019.22, 658,528.90 and 123,476.12

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Solution

The fourth proportional to 439,019.22, 658,528.90 and 123,476.12 is: 185,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,019.22 : 658,528.90 = 123,476.12 : x
  2. Step 2: Convert to fraction form
    439,019.22/658,528.90 = 123,476.12/x
  3. Step 3: Cross multiply
    439,019.22x = 658,528.90 × 123,476.12
  4. Step 4: Simplify right side
    439,019.22x = 81,312,593,479.87
  5. Step 5: Solve for x
    x = 81,312,593,479.87/439,019.22
  6. Step 6: Final answer
    x = 185,214.20

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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.