Home / 928,438.09-1,281,472.49-566,061.77

Finding the Fourth Proportional to 928,438.09, 1,281,472.49 and 566,061.77

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Solution

The fourth proportional to 928,438.09, 1,281,472.49 and 566,061.77 is: 781,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,438.09 : 1,281,472.49 = 566,061.77 : x
  2. Step 2: Convert to fraction form
    928,438.09/1,281,472.49 = 566,061.77/x
  3. Step 3: Cross multiply
    928,438.09x = 1,281,472.49 × 566,061.77
  4. Step 4: Simplify right side
    928,438.09x = 725,392,590,514.54
  5. Step 5: Solve for x
    x = 725,392,590,514.54/928,438.09
  6. Step 6: Final answer
    x = 781,304.21

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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.