Home / 587,219.80-881,175.30-213,194.20

Finding the Fourth Proportional to 587,219.80, 881,175.30 and 213,194.20

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Solution

The fourth proportional to 587,219.80, 881,175.30 and 213,194.20 is: 319,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,219.80 : 881,175.30 = 213,194.20 : x
  2. Step 2: Convert to fraction form
    587,219.80/881,175.30 = 213,194.20/x
  3. Step 3: Cross multiply
    587,219.80x = 881,175.30 × 213,194.20
  4. Step 4: Simplify right side
    587,219.80x = 187,861,463,143.26
  5. Step 5: Solve for x
    x = 187,861,463,143.26/587,219.80
  6. Step 6: Final answer
    x = 319,916.77

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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.