Home / 587,084.20-880,626.30-213,058.60

Finding the Fourth Proportional to 587,084.20, 880,626.30 and 213,058.60

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Solution

The fourth proportional to 587,084.20, 880,626.30 and 213,058.60 is: 319,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,084.20 : 880,626.30 = 213,058.60 : x
  2. Step 2: Convert to fraction form
    587,084.20/880,626.30 = 213,058.60/x
  3. Step 3: Cross multiply
    587,084.20x = 880,626.30 × 213,058.60
  4. Step 4: Simplify right side
    587,084.20x = 187,625,006,601.18
  5. Step 5: Solve for x
    x = 187,625,006,601.18/587,084.20
  6. Step 6: Final answer
    x = 319,587.90

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Similar ratio
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1.5x scale

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.