Home / 558,318.20-837,218.10-242,612.60

Finding the Fourth Proportional to 558,318.20, 837,218.10 and 242,612.60

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Solution

The fourth proportional to 558,318.20, 837,218.10 and 242,612.60 is: 363,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,318.20 : 837,218.10 = 242,612.60 : x
  2. Step 2: Convert to fraction form
    558,318.20/837,218.10 = 242,612.60/x
  3. Step 3: Cross multiply
    558,318.20x = 837,218.10 × 242,612.60
  4. Step 4: Simplify right side
    558,318.20x = 203,119,660,008.06
  5. Step 5: Solve for x
    x = 203,119,660,008.06/558,318.20
  6. Step 6: Final answer
    x = 363,806.27

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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.