Home / 943,853.31-1,415,233.22-644,695.40

Finding the Fourth Proportional to 943,853.31, 1,415,233.22 and 644,695.40

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Solution

The fourth proportional to 943,853.31, 1,415,233.22 and 644,695.40 is: 966,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,853.31 : 1,415,233.22 = 644,695.40 : x
  2. Step 2: Convert to fraction form
    943,853.31/1,415,233.22 = 644,695.40/x
  3. Step 3: Cross multiply
    943,853.31x = 1,415,233.22 × 644,695.40
  4. Step 4: Simplify right side
    943,853.31x = 912,394,347,175.79
  5. Step 5: Solve for x
    x = 912,394,347,175.79/943,853.31
  6. Step 6: Final answer
    x = 966,669.65

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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.