Home / 587,121.41-881,032.04-213,173.57

Finding the Fourth Proportional to 587,121.41, 881,032.04 and 213,173.57

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Solution

The fourth proportional to 587,121.41, 881,032.04 and 213,173.57 is: 319,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,121.41 : 881,032.04 = 213,173.57 : x
  2. Step 2: Convert to fraction form
    587,121.41/881,032.04 = 213,173.57/x
  3. Step 3: Cross multiply
    587,121.41x = 881,032.04 × 213,173.57
  4. Step 4: Simplify right side
    587,121.41x = 187,812,745,251.18
  5. Step 5: Solve for x
    x = 187,812,745,251.18/587,121.41
  6. Step 6: Final answer
    x = 319,887.41

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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.