Home / 1,108,474-1,529,694.16-806,920.72

Finding the Fourth Proportional to 1,108,474, 1,529,694.16 and 806,920.72

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Solution

The fourth proportional to 1,108,474, 1,529,694.16 and 806,920.72 is: 1,113,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,474 : 1,529,694.16 = 806,920.72 : x
  2. Step 2: Convert to fraction form
    1,108,474/1,529,694.16 = 806,920.72/x
  3. Step 3: Cross multiply
    1,108,474x = 1,529,694.16 × 806,920.72
  4. Step 4: Simplify right side
    1,108,474x = 1,234,341,912,967.00
  5. Step 5: Solve for x
    x = 1,234,341,912,967.00/1,108,474
  6. Step 6: Final answer
    x = 1,113,550.62

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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.