Home / 408,014.42-563,048.63-226,721.66

Finding the Fourth Proportional to 408,014.42, 563,048.63 and 226,721.66

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Solution

The fourth proportional to 408,014.42, 563,048.63 and 226,721.66 is: 312,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,014.42 : 563,048.63 = 226,721.66 : x
  2. Step 2: Convert to fraction form
    408,014.42/563,048.63 = 226,721.66/x
  3. Step 3: Cross multiply
    408,014.42x = 563,048.63 × 226,721.66
  4. Step 4: Simplify right side
    408,014.42x = 127,655,320,054.33
  5. Step 5: Solve for x
    x = 127,655,320,054.33/408,014.42
  6. Step 6: Final answer
    x = 312,869.63

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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.