Home / 497,427.10-746,140.65-165,003.10

Finding the Fourth Proportional to 497,427.10, 746,140.65 and 165,003.10

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Solution

The fourth proportional to 497,427.10, 746,140.65 and 165,003.10 is: 247,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,427.10 : 746,140.65 = 165,003.10 : x
  2. Step 2: Convert to fraction form
    497,427.10/746,140.65 = 165,003.10/x
  3. Step 3: Cross multiply
    497,427.10x = 746,140.65 × 165,003.10
  4. Step 4: Simplify right side
    497,427.10x = 123,115,520,286.02
  5. Step 5: Solve for x
    x = 123,115,520,286.02/497,427.10
  6. Step 6: Final answer
    x = 247,504.65

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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.