Home / 488,206.20-731,774.70-172,500.60

Finding the Fourth Proportional to 488,206.20, 731,774.70 and 172,500.60

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Solution

The fourth proportional to 488,206.20, 731,774.70 and 172,500.60 is: 258,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,206.20 : 731,774.70 = 172,500.60 : x
  2. Step 2: Convert to fraction form
    488,206.20/731,774.70 = 172,500.60/x
  3. Step 3: Cross multiply
    488,206.20x = 731,774.70 × 172,500.60
  4. Step 4: Simplify right side
    488,206.20x = 126,231,574,814.82
  5. Step 5: Solve for x
    x = 126,231,574,814.82/488,206.20
  6. Step 6: Final answer
    x = 258,562.01

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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.