Home / 581,789.39-802,942.47-327,138.75

Finding the Fourth Proportional to 581,789.39, 802,942.47 and 327,138.75

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Solution

The fourth proportional to 581,789.39, 802,942.47 and 327,138.75 is: 451,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,789.39 : 802,942.47 = 327,138.75 : x
  2. Step 2: Convert to fraction form
    581,789.39/802,942.47 = 327,138.75/x
  3. Step 3: Cross multiply
    581,789.39x = 802,942.47 × 327,138.75
  4. Step 4: Simplify right side
    581,789.39x = 262,673,595,957.71
  5. Step 5: Solve for x
    x = 262,673,595,957.71/581,789.39
  6. Step 6: Final answer
    x = 451,492.59

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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.