Home / 410,743.36-614,713.20-344,258.56

Finding the Fourth Proportional to 410,743.36, 614,713.20 and 344,258.56

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Solution

The fourth proportional to 410,743.36, 614,713.20 and 344,258.56 is: 515,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,743.36 : 614,713.20 = 344,258.56 : x
  2. Step 2: Convert to fraction form
    410,743.36/614,713.20 = 344,258.56/x
  3. Step 3: Cross multiply
    410,743.36x = 614,713.20 × 344,258.56
  4. Step 4: Simplify right side
    410,743.36x = 211,620,281,044.99
  5. Step 5: Solve for x
    x = 211,620,281,044.99/410,743.36
  6. Step 6: Final answer
    x = 515,212.91

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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.