Home / 889,565.32-1,227,551.51-521,992.97

Finding the Fourth Proportional to 889,565.32, 1,227,551.51 and 521,992.97

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Solution

The fourth proportional to 889,565.32, 1,227,551.51 and 521,992.97 is: 720,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,565.32 : 1,227,551.51 = 521,992.97 : x
  2. Step 2: Convert to fraction form
    889,565.32/1,227,551.51 = 521,992.97/x
  3. Step 3: Cross multiply
    889,565.32x = 1,227,551.51 × 521,992.97
  4. Step 4: Simplify right side
    889,565.32x = 640,773,253,700.11
  5. Step 5: Solve for x
    x = 640,773,253,700.11/889,565.32
  6. Step 6: Final answer
    x = 720,321.76

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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.