Home / 925,409.80-1,277,058.30-517,512.44

Finding the Fourth Proportional to 925,409.80, 1,277,058.30 and 517,512.44

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Solution

The fourth proportional to 925,409.80, 1,277,058.30 and 517,512.44 is: 714,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,409.80 : 1,277,058.30 = 517,512.44 : x
  2. Step 2: Convert to fraction form
    925,409.80/1,277,058.30 = 517,512.44/x
  3. Step 3: Cross multiply
    925,409.80x = 1,277,058.30 × 517,512.44
  4. Step 4: Simplify right side
    925,409.80x = 660,893,556,855.25
  5. Step 5: Solve for x
    x = 660,893,556,855.25/925,409.80
  6. Step 6: Final answer
    x = 714,163.13

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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.