Home / 591,220.60-886,658.10-212,097.40

Finding the Fourth Proportional to 591,220.60, 886,658.10 and 212,097.40

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Solution

The fourth proportional to 591,220.60, 886,658.10 and 212,097.40 is: 318,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,220.60 : 886,658.10 = 212,097.40 : x
  2. Step 2: Convert to fraction form
    591,220.60/886,658.10 = 212,097.40/x
  3. Step 3: Cross multiply
    591,220.60x = 886,658.10 × 212,097.40
  4. Step 4: Simplify right side
    591,220.60x = 188,057,877,698.94
  5. Step 5: Solve for x
    x = 188,057,877,698.94/591,220.60
  6. Step 6: Final answer
    x = 318,084.11

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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.