Home / 1,329,517.12-1,994,278.92-530,863.60

Finding the Fourth Proportional to 1,329,517.12, 1,994,278.92 and 530,863.60

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Solution

The fourth proportional to 1,329,517.12, 1,994,278.92 and 530,863.60 is: 796,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,517.12 : 1,994,278.92 = 530,863.60 : x
  2. Step 2: Convert to fraction form
    1,329,517.12/1,994,278.92 = 530,863.60/x
  3. Step 3: Cross multiply
    1,329,517.12x = 1,994,278.92 × 530,863.60
  4. Step 4: Simplify right side
    1,329,517.12x = 1,058,690,086,875.31
  5. Step 5: Solve for x
    x = 1,058,690,086,875.31/1,329,517.12
  6. Step 6: Final answer
    x = 796,296.69

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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.