Home / 531,724.82-797,587.23-216,107.78

Finding the Fourth Proportional to 531,724.82, 797,587.23 and 216,107.78

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Solution

The fourth proportional to 531,724.82, 797,587.23 and 216,107.78 is: 324,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,724.82 : 797,587.23 = 216,107.78 : x
  2. Step 2: Convert to fraction form
    531,724.82/797,587.23 = 216,107.78/x
  3. Step 3: Cross multiply
    531,724.82x = 797,587.23 × 216,107.78
  4. Step 4: Simplify right side
    531,724.82x = 172,364,805,631.65
  5. Step 5: Solve for x
    x = 172,364,805,631.65/531,724.82
  6. Step 6: Final answer
    x = 324,161.67

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Similar ratio
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1.5x scale

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.