Home / 1,230,391.20-1,845,586.80-1,177,247.10

Finding the Fourth Proportional to 1,230,391.20, 1,845,586.80 and 1,177,247.10

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Solution

The fourth proportional to 1,230,391.20, 1,845,586.80 and 1,177,247.10 is: 1,765,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,391.20 : 1,845,586.80 = 1,177,247.10 : x
  2. Step 2: Convert to fraction form
    1,230,391.20/1,845,586.80 = 1,177,247.10/x
  3. Step 3: Cross multiply
    1,230,391.20x = 1,845,586.80 × 1,177,247.10
  4. Step 4: Simplify right side
    1,230,391.20x = 2,172,711,708,098.28
  5. Step 5: Solve for x
    x = 2,172,711,708,098.28/1,230,391.20
  6. Step 6: Final answer
    x = 1,765,870.65

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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.