Home / 572,749.71-790,348.23-331,047.87

Finding the Fourth Proportional to 572,749.71, 790,348.23 and 331,047.87

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Solution

The fourth proportional to 572,749.71, 790,348.23 and 331,047.87 is: 456,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,749.71 : 790,348.23 = 331,047.87 : x
  2. Step 2: Convert to fraction form
    572,749.71/790,348.23 = 331,047.87/x
  3. Step 3: Cross multiply
    572,749.71x = 790,348.23 × 331,047.87
  4. Step 4: Simplify right side
    572,749.71x = 261,643,098,099.77
  5. Step 5: Solve for x
    x = 261,643,098,099.77/572,749.71
  6. Step 6: Final answer
    x = 456,819.26

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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.