Home / 1,177,306.78-1,765,644.01-324,175.30

Finding the Fourth Proportional to 1,177,306.78, 1,765,644.01 and 324,175.30

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Solution

The fourth proportional to 1,177,306.78, 1,765,644.01 and 324,175.30 is: 486,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,306.78 : 1,765,644.01 = 324,175.30 : x
  2. Step 2: Convert to fraction form
    1,177,306.78/1,765,644.01 = 324,175.30/x
  3. Step 3: Cross multiply
    1,177,306.78x = 1,765,644.01 × 324,175.30
  4. Step 4: Simplify right side
    1,177,306.78x = 572,378,171,410.41
  5. Step 5: Solve for x
    x = 572,378,171,410.41/1,177,306.78
  6. Step 6: Final answer
    x = 486,175.89

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Double scale
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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.