Home / 933,685.72-1,288,508.24-520,250.45

Finding the Fourth Proportional to 933,685.72, 1,288,508.24 and 520,250.45

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Solution

The fourth proportional to 933,685.72, 1,288,508.24 and 520,250.45 is: 717,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,685.72 : 1,288,508.24 = 520,250.45 : x
  2. Step 2: Convert to fraction form
    933,685.72/1,288,508.24 = 520,250.45/x
  3. Step 3: Cross multiply
    933,685.72x = 1,288,508.24 × 520,250.45
  4. Step 4: Simplify right side
    933,685.72x = 670,346,986,546.79
  5. Step 5: Solve for x
    x = 670,346,986,546.79/933,685.72
  6. Step 6: Final answer
    x = 717,957.85

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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.