Home / 1,105,565.97-1,525,663.17-622,130.85

Finding the Fourth Proportional to 1,105,565.97, 1,525,663.17 and 622,130.85

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Solution

The fourth proportional to 1,105,565.97, 1,525,663.17 and 622,130.85 is: 858,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,565.97 : 1,525,663.17 = 622,130.85 : x
  2. Step 2: Convert to fraction form
    1,105,565.97/1,525,663.17 = 622,130.85/x
  3. Step 3: Cross multiply
    1,105,565.97x = 1,525,663.17 × 622,130.85
  4. Step 4: Simplify right side
    1,105,565.97x = 949,162,124,765.79
  5. Step 5: Solve for x
    x = 949,162,124,765.79/1,105,565.97
  6. Step 6: Final answer
    x = 858,530.52

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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.