Home / 1,235,169.86-1,851,470.27-477,531.71

Finding the Fourth Proportional to 1,235,169.86, 1,851,470.27 and 477,531.71

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Solution

The fourth proportional to 1,235,169.86, 1,851,470.27 and 477,531.71 is: 715,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,169.86 : 1,851,470.27 = 477,531.71 : x
  2. Step 2: Convert to fraction form
    1,235,169.86/1,851,470.27 = 477,531.71/x
  3. Step 3: Cross multiply
    1,235,169.86x = 1,851,470.27 × 477,531.71
  4. Step 4: Simplify right side
    1,235,169.86x = 884,135,754,789.91
  5. Step 5: Solve for x
    x = 884,135,754,789.91/1,235,169.86
  6. Step 6: Final answer
    x = 715,800.95

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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.