Home / 591,193.40-886,919.70-191,766.20

Finding the Fourth Proportional to 591,193.40, 886,919.70 and 191,766.20

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Solution

The fourth proportional to 591,193.40, 886,919.70 and 191,766.20 is: 287,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,193.40 : 886,919.70 = 191,766.20 : x
  2. Step 2: Convert to fraction form
    591,193.40/886,919.70 = 191,766.20/x
  3. Step 3: Cross multiply
    591,193.40x = 886,919.70 × 191,766.20
  4. Step 4: Simplify right side
    591,193.40x = 170,081,220,574.14
  5. Step 5: Solve for x
    x = 170,081,220,574.14/591,193.40
  6. Step 6: Final answer
    x = 287,691.34

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1.5x scale

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.