Home / 410,962.59-616,445.03-126,643.96

Finding the Fourth Proportional to 410,962.59, 616,445.03 and 126,643.96

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Solution

The fourth proportional to 410,962.59, 616,445.03 and 126,643.96 is: 189,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,962.59 : 616,445.03 = 126,643.96 : x
  2. Step 2: Convert to fraction form
    410,962.59/616,445.03 = 126,643.96/x
  3. Step 3: Cross multiply
    410,962.59x = 616,445.03 × 126,643.96
  4. Step 4: Simplify right side
    410,962.59x = 78,069,039,492.00
  5. Step 5: Solve for x
    x = 78,069,039,492.00/410,962.59
  6. Step 6: Final answer
    x = 189,966.29

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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.