Home / 1,015,101.88-1,400,205.54-652,997.32

Finding the Fourth Proportional to 1,015,101.88, 1,400,205.54 and 652,997.32

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Solution

The fourth proportional to 1,015,101.88, 1,400,205.54 and 652,997.32 is: 900,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,101.88 : 1,400,205.54 = 652,997.32 : x
  2. Step 2: Convert to fraction form
    1,015,101.88/1,400,205.54 = 652,997.32/x
  3. Step 3: Cross multiply
    1,015,101.88x = 1,400,205.54 × 652,997.32
  4. Step 4: Simplify right side
    1,015,101.88x = 914,330,465,069.15
  5. Step 5: Solve for x
    x = 914,330,465,069.15/1,015,101.88
  6. Step 6: Final answer
    x = 900,727.78

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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.