Home / 928,959.84-1,391,076.24-612,456.48

Finding the Fourth Proportional to 928,959.84, 1,391,076.24 and 612,456.48

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Solution

The fourth proportional to 928,959.84, 1,391,076.24 and 612,456.48 is: 917,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,959.84 : 1,391,076.24 = 612,456.48 : x
  2. Step 2: Convert to fraction form
    928,959.84/1,391,076.24 = 612,456.48/x
  3. Step 3: Cross multiply
    928,959.84x = 1,391,076.24 × 612,456.48
  4. Step 4: Simplify right side
    928,959.84x = 851,973,657,362.04
  5. Step 5: Solve for x
    x = 851,973,657,362.04/928,959.84
  6. Step 6: Final answer
    x = 917,126.47

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1.5x scale

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.