Home / 498,269.40-747,404.10-165,845.40

Finding the Fourth Proportional to 498,269.40, 747,404.10 and 165,845.40

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Solution

The fourth proportional to 498,269.40, 747,404.10 and 165,845.40 is: 248,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,269.40 : 747,404.10 = 165,845.40 : x
  2. Step 2: Convert to fraction form
    498,269.40/747,404.10 = 165,845.40/x
  3. Step 3: Cross multiply
    498,269.40x = 747,404.10 × 165,845.40
  4. Step 4: Simplify right side
    498,269.40x = 123,953,531,926.14
  5. Step 5: Solve for x
    x = 123,953,531,926.14/498,269.40
  6. Step 6: Final answer
    x = 248,768.10

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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.