Home / 1,073,972.60-1,482,135.44-666,205.80

Finding the Fourth Proportional to 1,073,972.60, 1,482,135.44 and 666,205.80

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Solution

The fourth proportional to 1,073,972.60, 1,482,135.44 and 666,205.80 is: 919,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,972.60 : 1,482,135.44 = 666,205.80 : x
  2. Step 2: Convert to fraction form
    1,073,972.60/1,482,135.44 = 666,205.80/x
  3. Step 3: Cross multiply
    1,073,972.60x = 1,482,135.44 × 666,205.80
  4. Step 4: Simplify right side
    1,073,972.60x = 987,407,229,498.39
  5. Step 5: Solve for x
    x = 987,407,229,498.39/1,073,972.60
  6. Step 6: Final answer
    x = 919,397.04

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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.