Home / 897,253.38-1,238,175.45-494,845.38

Finding the Fourth Proportional to 897,253.38, 1,238,175.45 and 494,845.38

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Solution

The fourth proportional to 897,253.38, 1,238,175.45 and 494,845.38 is: 682,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,253.38 : 1,238,175.45 = 494,845.38 : x
  2. Step 2: Convert to fraction form
    897,253.38/1,238,175.45 = 494,845.38/x
  3. Step 3: Cross multiply
    897,253.38x = 1,238,175.45 × 494,845.38
  4. Step 4: Simplify right side
    897,253.38x = 612,705,401,061.92
  5. Step 5: Solve for x
    x = 612,705,401,061.92/897,253.38
  6. Step 6: Final answer
    x = 682,867.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.