Home / 493,292.10-739,938.15-448,968.90

Finding the Fourth Proportional to 493,292.10, 739,938.15 and 448,968.90

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Solution

The fourth proportional to 493,292.10, 739,938.15 and 448,968.90 is: 673,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,292.10 : 739,938.15 = 448,968.90 : x
  2. Step 2: Convert to fraction form
    493,292.10/739,938.15 = 448,968.90/x
  3. Step 3: Cross multiply
    493,292.10x = 739,938.15 × 448,968.90
  4. Step 4: Simplify right side
    493,292.10x = 332,209,217,273.54
  5. Step 5: Solve for x
    x = 332,209,217,273.54/493,292.10
  6. Step 6: Final answer
    x = 673,453.35

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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.