Home / 485,904.15-670,548.81-271,058.13

Finding the Fourth Proportional to 485,904.15, 670,548.81 and 271,058.13

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Solution

The fourth proportional to 485,904.15, 670,548.81 and 271,058.13 is: 374,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,904.15 : 670,548.81 = 271,058.13 : x
  2. Step 2: Convert to fraction form
    485,904.15/670,548.81 = 271,058.13/x
  3. Step 3: Cross multiply
    485,904.15x = 670,548.81 × 271,058.13
  4. Step 4: Simplify right side
    485,904.15x = 181,757,705,834.68
  5. Step 5: Solve for x
    x = 181,757,705,834.68/485,904.15
  6. Step 6: Final answer
    x = 374,060.82

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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.