Home / 1,439,675-1,986,751.52-836,101.88

Finding the Fourth Proportional to 1,439,675, 1,986,751.52 and 836,101.88

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Solution

The fourth proportional to 1,439,675, 1,986,751.52 and 836,101.88 is: 1,153,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,675 : 1,986,751.52 = 836,101.88 : x
  2. Step 2: Convert to fraction form
    1,439,675/1,986,751.52 = 836,101.88/x
  3. Step 3: Cross multiply
    1,439,675x = 1,986,751.52 × 836,101.88
  4. Step 4: Simplify right side
    1,439,675x = 1,661,126,680,964.86
  5. Step 5: Solve for x
    x = 1,661,126,680,964.86/1,439,675
  6. Step 6: Final answer
    x = 1,153,820.61

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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.