Home / 497,675.10-746,512.65-287,723.10

Finding the Fourth Proportional to 497,675.10, 746,512.65 and 287,723.10

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Solution

The fourth proportional to 497,675.10, 746,512.65 and 287,723.10 is: 431,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,675.10 : 746,512.65 = 287,723.10 : x
  2. Step 2: Convert to fraction form
    497,675.10/746,512.65 = 287,723.10/x
  3. Step 3: Cross multiply
    497,675.10x = 746,512.65 × 287,723.10
  4. Step 4: Simplify right side
    497,675.10x = 214,788,933,847.22
  5. Step 5: Solve for x
    x = 214,788,933,847.22/497,675.10
  6. Step 6: Final answer
    x = 431,584.65

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Similar ratio
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1.5x scale

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.