Home / 591,021.11-886,656.21-191,630.74

Finding the Fourth Proportional to 591,021.11, 886,656.21 and 191,630.74

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Solution

The fourth proportional to 591,021.11, 886,656.21 and 191,630.74 is: 287,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,021.11 : 886,656.21 = 191,630.74 : x
  2. Step 2: Convert to fraction form
    591,021.11/886,656.21 = 191,630.74/x
  3. Step 3: Cross multiply
    591,021.11x = 886,656.21 × 191,630.74
  4. Step 4: Simplify right side
    591,021.11x = 169,910,582,689.84
  5. Step 5: Solve for x
    x = 169,910,582,689.84/591,021.11
  6. Step 6: Final answer
    x = 287,486.49

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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.