Home / 485,904.18-670,548.85-271,058.16

Finding the Fourth Proportional to 485,904.18, 670,548.85 and 271,058.16

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Solution

The fourth proportional to 485,904.18, 670,548.85 and 271,058.16 is: 374,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,904.18 : 670,548.85 = 271,058.16 : x
  2. Step 2: Convert to fraction form
    485,904.18/670,548.85 = 271,058.16/x
  3. Step 3: Cross multiply
    485,904.18x = 670,548.85 × 271,058.16
  4. Step 4: Simplify right side
    485,904.18x = 181,757,737,471.12
  5. Step 5: Solve for x
    x = 181,757,737,471.12/485,904.18
  6. Step 6: Final answer
    x = 374,060.86

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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.