Home / 497,749.80-746,624.70-123,772.80

Finding the Fourth Proportional to 497,749.80, 746,624.70 and 123,772.80

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Solution

The fourth proportional to 497,749.80, 746,624.70 and 123,772.80 is: 185,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,749.80 : 746,624.70 = 123,772.80 : x
  2. Step 2: Convert to fraction form
    497,749.80/746,624.70 = 123,772.80/x
  3. Step 3: Cross multiply
    497,749.80x = 746,624.70 × 123,772.80
  4. Step 4: Simplify right side
    497,749.80x = 92,411,829,668.16
  5. Step 5: Solve for x
    x = 92,411,829,668.16/497,749.80
  6. Step 6: Final answer
    x = 185,659.20

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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.