Home / 808,080.73-1,115,168.29-445,519.87

Finding the Fourth Proportional to 808,080.73, 1,115,168.29 and 445,519.87

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Solution

The fourth proportional to 808,080.73, 1,115,168.29 and 445,519.87 is: 614,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,080.73 : 1,115,168.29 = 445,519.87 : x
  2. Step 2: Convert to fraction form
    808,080.73/1,115,168.29 = 445,519.87/x
  3. Step 3: Cross multiply
    808,080.73x = 1,115,168.29 × 445,519.87
  4. Step 4: Simplify right side
    808,080.73x = 496,829,631,588.92
  5. Step 5: Solve for x
    x = 496,829,631,588.92/808,080.73
  6. Step 6: Final answer
    x = 614,826.73

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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.