Home / 833,436.76-1,149,909.38-523,372.78

Finding the Fourth Proportional to 833,436.76, 1,149,909.38 and 523,372.78

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Solution

The fourth proportional to 833,436.76, 1,149,909.38 and 523,372.78 is: 722,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,436.76 : 1,149,909.38 = 523,372.78 : x
  2. Step 2: Convert to fraction form
    833,436.76/1,149,909.38 = 523,372.78/x
  3. Step 3: Cross multiply
    833,436.76x = 1,149,909.38 × 523,372.78
  4. Step 4: Simplify right side
    833,436.76x = 601,831,268,958.68
  5. Step 5: Solve for x
    x = 601,831,268,958.68/833,436.76
  6. Step 6: Final answer
    x = 722,107.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.