Home / 418,336.93-577,304.71-227,350.36

Finding the Fourth Proportional to 418,336.93, 577,304.71 and 227,350.36

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Solution

The fourth proportional to 418,336.93, 577,304.71 and 227,350.36 is: 313,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,336.93 : 577,304.71 = 227,350.36 : x
  2. Step 2: Convert to fraction form
    418,336.93/577,304.71 = 227,350.36/x
  3. Step 3: Cross multiply
    418,336.93x = 577,304.71 × 227,350.36
  4. Step 4: Simplify right side
    418,336.93x = 131,250,433,648.20
  5. Step 5: Solve for x
    x = 131,250,433,648.20/418,336.93
  6. Step 6: Final answer
    x = 313,743.36

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1.5x scale

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.