Home / 1,127,380.62-1,555,787.34-611,132.92

Finding the Fourth Proportional to 1,127,380.62, 1,555,787.34 and 611,132.92

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Solution

The fourth proportional to 1,127,380.62, 1,555,787.34 and 611,132.92 is: 843,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,380.62 : 1,555,787.34 = 611,132.92 : x
  2. Step 2: Convert to fraction form
    1,127,380.62/1,555,787.34 = 611,132.92/x
  3. Step 3: Cross multiply
    1,127,380.62x = 1,555,787.34 × 611,132.92
  4. Step 4: Simplify right side
    1,127,380.62x = 950,792,849,158.63
  5. Step 5: Solve for x
    x = 950,792,849,158.63/1,127,380.62
  6. Step 6: Final answer
    x = 843,364.55

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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.