Home / 1,277,913.00-1,763,205.27-781,071.05

Finding the Fourth Proportional to 1,277,913.00, 1,763,205.27 and 781,071.05

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Solution

The fourth proportional to 1,277,913.00, 1,763,205.27 and 781,071.05 is: 1,077,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,913.00 : 1,763,205.27 = 781,071.05 : x
  2. Step 2: Convert to fraction form
    1,277,913.00/1,763,205.27 = 781,071.05/x
  3. Step 3: Cross multiply
    1,277,913.00x = 1,763,205.27 × 781,071.05
  4. Step 4: Simplify right side
    1,277,913.00x = 1,377,188,593,083.43
  5. Step 5: Solve for x
    x = 1,377,188,593,083.43/1,277,913.00
  6. Step 6: Final answer
    x = 1,077,685.72

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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.