Home / 581,790.39-802,943.85-327,139.75

Finding the Fourth Proportional to 581,790.39, 802,943.85 and 327,139.75

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Solution

The fourth proportional to 581,790.39, 802,943.85 and 327,139.75 is: 451,493.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,790.39 : 802,943.85 = 327,139.75 : x
  2. Step 2: Convert to fraction form
    581,790.39/802,943.85 = 327,139.75/x
  3. Step 3: Cross multiply
    581,790.39x = 802,943.85 × 327,139.75
  4. Step 4: Simplify right side
    581,790.39x = 262,674,850,353.04
  5. Step 5: Solve for x
    x = 262,674,850,353.04/581,790.39
  6. Step 6: Final answer
    x = 451,493.97

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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.