Home / 817,826.04-1,227,263.94-396,872.28

Finding the Fourth Proportional to 817,826.04, 1,227,263.94 and 396,872.28

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Solution

The fourth proportional to 817,826.04, 1,227,263.94 and 396,872.28 is: 595,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,826.04 : 1,227,263.94 = 396,872.28 : x
  2. Step 2: Convert to fraction form
    817,826.04/1,227,263.94 = 396,872.28/x
  3. Step 3: Cross multiply
    817,826.04x = 1,227,263.94 × 396,872.28
  4. Step 4: Simplify right side
    817,826.04x = 487,067,038,029.58
  5. Step 5: Solve for x
    x = 487,067,038,029.58/817,826.04
  6. Step 6: Final answer
    x = 595,563.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.