Home / 994,304.16-1,372,101.12-607,766.78

Finding the Fourth Proportional to 994,304.16, 1,372,101.12 and 607,766.78

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Solution

The fourth proportional to 994,304.16, 1,372,101.12 and 607,766.78 is: 838,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,304.16 : 1,372,101.12 = 607,766.78 : x
  2. Step 2: Convert to fraction form
    994,304.16/1,372,101.12 = 607,766.78/x
  3. Step 3: Cross multiply
    994,304.16x = 1,372,101.12 × 607,766.78
  4. Step 4: Simplify right side
    994,304.16x = 833,917,469,637.45
  5. Step 5: Solve for x
    x = 833,917,469,637.45/994,304.16
  6. Step 6: Final answer
    x = 838,694.54

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1.5x scale

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.