Home / 491,116.56-677,548.98-276,207.36

Finding the Fourth Proportional to 491,116.56, 677,548.98 and 276,207.36

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Solution

The fourth proportional to 491,116.56, 677,548.98 and 276,207.36 is: 381,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,116.56 : 677,548.98 = 276,207.36 : x
  2. Step 2: Convert to fraction form
    491,116.56/677,548.98 = 276,207.36/x
  3. Step 3: Cross multiply
    491,116.56x = 677,548.98 × 276,207.36
  4. Step 4: Simplify right side
    491,116.56x = 187,144,015,036.49
  5. Step 5: Solve for x
    x = 187,144,015,036.49/491,116.56
  6. Step 6: Final answer
    x = 381,058.25

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1.5x scale

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.