Home / 889,774.17-1,227,910.88-545,799.78

Finding the Fourth Proportional to 889,774.17, 1,227,910.88 and 545,799.78

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Solution

The fourth proportional to 889,774.17, 1,227,910.88 and 545,799.78 is: 753,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,774.17 : 1,227,910.88 = 545,799.78 : x
  2. Step 2: Convert to fraction form
    889,774.17/1,227,910.88 = 545,799.78/x
  3. Step 3: Cross multiply
    889,774.17x = 1,227,910.88 × 545,799.78
  4. Step 4: Simplify right side
    889,774.17x = 670,193,488,163.61
  5. Step 5: Solve for x
    x = 670,193,488,163.61/889,774.17
  6. Step 6: Final answer
    x = 753,217.51

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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.