Home / 1,131,719.04-1,561,785.30-622,429.92

Finding the Fourth Proportional to 1,131,719.04, 1,561,785.30 and 622,429.92

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Solution

The fourth proportional to 1,131,719.04, 1,561,785.30 and 622,429.92 is: 858,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,719.04 : 1,561,785.30 = 622,429.92 : x
  2. Step 2: Convert to fraction form
    1,131,719.04/1,561,785.30 = 622,429.92/x
  3. Step 3: Cross multiply
    1,131,719.04x = 1,561,785.30 × 622,429.92
  4. Step 4: Simplify right side
    1,131,719.04x = 972,101,899,336.18
  5. Step 5: Solve for x
    x = 972,101,899,336.18/1,131,719.04
  6. Step 6: Final answer
    x = 858,960.45

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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.