Home / 591,123.12-886,809.29-191,732.82

Finding the Fourth Proportional to 591,123.12, 886,809.29 and 191,732.82

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Solution

The fourth proportional to 591,123.12, 886,809.29 and 191,732.82 is: 287,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,123.12 : 886,809.29 = 191,732.82 : x
  2. Step 2: Convert to fraction form
    591,123.12/886,809.29 = 191,732.82/x
  3. Step 3: Cross multiply
    591,123.12x = 886,809.29 × 191,732.82
  4. Step 4: Simplify right side
    591,123.12x = 170,030,445,015.23
  5. Step 5: Solve for x
    x = 170,030,445,015.23/591,123.12
  6. Step 6: Final answer
    x = 287,639.65

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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.