Home / 1,247,828.56-1,722,003.41-674,868.74

Finding the Fourth Proportional to 1,247,828.56, 1,722,003.41 and 674,868.74

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Solution

The fourth proportional to 1,247,828.56, 1,722,003.41 and 674,868.74 is: 931,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,828.56 : 1,722,003.41 = 674,868.74 : x
  2. Step 2: Convert to fraction form
    1,247,828.56/1,722,003.41 = 674,868.74/x
  3. Step 3: Cross multiply
    1,247,828.56x = 1,722,003.41 × 674,868.74
  4. Step 4: Simplify right side
    1,247,828.56x = 1,162,126,264,659.56
  5. Step 5: Solve for x
    x = 1,162,126,264,659.56/1,247,828.56
  6. Step 6: Final answer
    x = 931,318.86

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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.