Home / 865,729.80-1,194,087.29-607,664.39

Finding the Fourth Proportional to 865,729.80, 1,194,087.29 and 607,664.39

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Solution

The fourth proportional to 865,729.80, 1,194,087.29 and 607,664.39 is: 838,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,729.80 : 1,194,087.29 = 607,664.39 : x
  2. Step 2: Convert to fraction form
    865,729.80/1,194,087.29 = 607,664.39/x
  3. Step 3: Cross multiply
    865,729.80x = 1,194,087.29 × 607,664.39
  4. Step 4: Simplify right side
    865,729.80x = 725,604,315,675.85
  5. Step 5: Solve for x
    x = 725,604,315,675.85/865,729.80
  6. Step 6: Final answer
    x = 838,141.78

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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.