Home / 591,107.60-886,880.10-191,761.40

Finding the Fourth Proportional to 591,107.60, 886,880.10 and 191,761.40

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Solution

The fourth proportional to 591,107.60, 886,880.10 and 191,761.40 is: 287,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,107.60 : 886,880.10 = 191,761.40 : x
  2. Step 2: Convert to fraction form
    591,107.60/886,880.10 = 191,761.40/x
  3. Step 3: Cross multiply
    591,107.60x = 886,880.10 × 191,761.40
  4. Step 4: Simplify right side
    591,107.60x = 170,069,369,608.14
  5. Step 5: Solve for x
    x = 170,069,369,608.14/591,107.60
  6. Step 6: Final answer
    x = 287,713.05

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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.