Home / 558,025.20-836,116.20-475,081.20

Finding the Fourth Proportional to 558,025.20, 836,116.20 and 475,081.20

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Solution

The fourth proportional to 558,025.20, 836,116.20 and 475,081.20 is: 711,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,025.20 : 836,116.20 = 475,081.20 : x
  2. Step 2: Convert to fraction form
    558,025.20/836,116.20 = 475,081.20/x
  3. Step 3: Cross multiply
    558,025.20x = 836,116.20 × 475,081.20
  4. Step 4: Simplify right side
    558,025.20x = 397,223,087,635.44
  5. Step 5: Solve for x
    x = 397,223,087,635.44/558,025.20
  6. Step 6: Final answer
    x = 711,837.19

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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.