Home / 418,763.81-577,895.76-227,778.36

Finding the Fourth Proportional to 418,763.81, 577,895.76 and 227,778.36

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Solution

The fourth proportional to 418,763.81, 577,895.76 and 227,778.36 is: 314,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,763.81 : 577,895.76 = 227,778.36 : x
  2. Step 2: Convert to fraction form
    418,763.81/577,895.76 = 227,778.36/x
  3. Step 3: Cross multiply
    418,763.81x = 577,895.76 × 227,778.36
  4. Step 4: Simplify right side
    418,763.81x = 131,632,148,463.75
  5. Step 5: Solve for x
    x = 131,632,148,463.75/418,763.81
  6. Step 6: Final answer
    x = 314,335.07

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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.