Home / 497,738.20-746,607.30-165,314.20

Finding the Fourth Proportional to 497,738.20, 746,607.30 and 165,314.20

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Solution

The fourth proportional to 497,738.20, 746,607.30 and 165,314.20 is: 247,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,738.20 : 746,607.30 = 165,314.20 : x
  2. Step 2: Convert to fraction form
    497,738.20/746,607.30 = 165,314.20/x
  3. Step 3: Cross multiply
    497,738.20x = 746,607.30 × 165,314.20
  4. Step 4: Simplify right side
    497,738.20x = 123,424,788,513.66
  5. Step 5: Solve for x
    x = 123,424,788,513.66/497,738.20
  6. Step 6: Final answer
    x = 247,971.30

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Double scale
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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.