Home / 1,296,517.60-1,943,026.80-922,103.20

Finding the Fourth Proportional to 1,296,517.60, 1,943,026.80 and 922,103.20

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Solution

The fourth proportional to 1,296,517.60, 1,943,026.80 and 922,103.20 is: 1,381,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,517.60 : 1,943,026.80 = 922,103.20 : x
  2. Step 2: Convert to fraction form
    1,296,517.60/1,943,026.80 = 922,103.20/x
  3. Step 3: Cross multiply
    1,296,517.60x = 1,943,026.80 × 922,103.20
  4. Step 4: Simplify right side
    1,296,517.60x = 1,791,671,229,965.76
  5. Step 5: Solve for x
    x = 1,791,671,229,965.76/1,296,517.60
  6. Step 6: Final answer
    x = 1,381,910.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.