Home / 1,387,332.01-1,914,761.82-806,734.81

Finding the Fourth Proportional to 1,387,332.01, 1,914,761.82 and 806,734.81

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Solution

The fourth proportional to 1,387,332.01, 1,914,761.82 and 806,734.81 is: 1,113,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,332.01 : 1,914,761.82 = 806,734.81 : x
  2. Step 2: Convert to fraction form
    1,387,332.01/1,914,761.82 = 806,734.81/x
  3. Step 3: Cross multiply
    1,387,332.01x = 1,914,761.82 × 806,734.81
  4. Step 4: Simplify right side
    1,387,332.01x = 1,544,705,013,052.95
  5. Step 5: Solve for x
    x = 1,544,705,013,052.95/1,387,332.01
  6. Step 6: Final answer
    x = 1,113,435.72

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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.