Home / 857,226.74-1,284,595.95-482,449.46

Finding the Fourth Proportional to 857,226.74, 1,284,595.95 and 482,449.46

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Solution

The fourth proportional to 857,226.74, 1,284,595.95 and 482,449.46 is: 722,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,226.74 : 1,284,595.95 = 482,449.46 : x
  2. Step 2: Convert to fraction form
    857,226.74/1,284,595.95 = 482,449.46/x
  3. Step 3: Cross multiply
    857,226.74x = 1,284,595.95 × 482,449.46
  4. Step 4: Simplify right side
    857,226.74x = 619,752,622,395.69
  5. Step 5: Solve for x
    x = 619,752,622,395.69/857,226.74
  6. Step 6: Final answer
    x = 722,973.97

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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.