Home / 591,120.48-886,805.31-191,730.18

Finding the Fourth Proportional to 591,120.48, 886,805.31 and 191,730.18

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Solution

The fourth proportional to 591,120.48, 886,805.31 and 191,730.18 is: 287,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,120.48 : 886,805.31 = 191,730.18 : x
  2. Step 2: Convert to fraction form
    591,120.48/886,805.31 = 191,730.18/x
  3. Step 3: Cross multiply
    591,120.48x = 886,805.31 × 191,730.18
  4. Step 4: Simplify right side
    591,120.48x = 170,027,341,711.26
  5. Step 5: Solve for x
    x = 170,027,341,711.26/591,120.48
  6. Step 6: Final answer
    x = 287,635.68

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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.