Home / 667,026.54-999,491.40-515,594.34

Finding the Fourth Proportional to 667,026.54, 999,491.40 and 515,594.34

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Solution

The fourth proportional to 667,026.54, 999,491.40 and 515,594.34 is: 772,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,026.54 : 999,491.40 = 515,594.34 : x
  2. Step 2: Convert to fraction form
    667,026.54/999,491.40 = 515,594.34/x
  3. Step 3: Cross multiply
    667,026.54x = 999,491.40 × 515,594.34
  4. Step 4: Simplify right side
    667,026.54x = 515,332,108,718.68
  5. Step 5: Solve for x
    x = 515,332,108,718.68/667,026.54
  6. Step 6: Final answer
    x = 772,581.12

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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.