Home / 591,021.74-886,657.15-191,631.36

Finding the Fourth Proportional to 591,021.74, 886,657.15 and 191,631.36

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Solution

The fourth proportional to 591,021.74, 886,657.15 and 191,631.36 is: 287,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,021.74 : 886,657.15 = 191,631.36 : x
  2. Step 2: Convert to fraction form
    591,021.74/886,657.15 = 191,631.36/x
  3. Step 3: Cross multiply
    591,021.74x = 886,657.15 × 191,631.36
  4. Step 4: Simplify right side
    591,021.74x = 169,911,317,245.79
  5. Step 5: Solve for x
    x = 169,911,317,245.79/591,021.74
  6. Step 6: Final answer
    x = 287,487.43

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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.