Home / 465,820.10-698,557.35-185,279.30

Finding the Fourth Proportional to 465,820.10, 698,557.35 and 185,279.30

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Solution

The fourth proportional to 465,820.10, 698,557.35 and 185,279.30 is: 277,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,820.10 : 698,557.35 = 185,279.30 : x
  2. Step 2: Convert to fraction form
    465,820.10/698,557.35 = 185,279.30/x
  3. Step 3: Cross multiply
    465,820.10x = 698,557.35 × 185,279.30
  4. Step 4: Simplify right side
    465,820.10x = 129,428,216,817.86
  5. Step 5: Solve for x
    x = 129,428,216,817.86/465,820.10
  6. Step 6: Final answer
    x = 277,850.22

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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.