Home / 859,082.94-1,185,392.12-496,540.62

Finding the Fourth Proportional to 859,082.94, 1,185,392.12 and 496,540.62

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Solution

The fourth proportional to 859,082.94, 1,185,392.12 and 496,540.62 is: 685,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,082.94 : 1,185,392.12 = 496,540.62 : x
  2. Step 2: Convert to fraction form
    859,082.94/1,185,392.12 = 496,540.62/x
  3. Step 3: Cross multiply
    859,082.94x = 1,185,392.12 × 496,540.62
  4. Step 4: Simplify right side
    859,082.94x = 588,595,335,725.21
  5. Step 5: Solve for x
    x = 588,595,335,725.21/859,082.94
  6. Step 6: Final answer
    x = 685,143.78

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Double scale
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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.