Home / 1,416,785.11-1,955,164.94-772,205.83

Finding the Fourth Proportional to 1,416,785.11, 1,955,164.94 and 772,205.83

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Solution

The fourth proportional to 1,416,785.11, 1,955,164.94 and 772,205.83 is: 1,065,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,785.11 : 1,955,164.94 = 772,205.83 : x
  2. Step 2: Convert to fraction form
    1,416,785.11/1,955,164.94 = 772,205.83/x
  3. Step 3: Cross multiply
    1,416,785.11x = 1,955,164.94 × 772,205.83
  4. Step 4: Simplify right side
    1,416,785.11x = 1,509,789,761,418.57
  5. Step 5: Solve for x
    x = 1,509,789,761,418.57/1,416,785.11
  6. Step 6: Final answer
    x = 1,065,644.85

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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.