Home / 722,521.69-1,079,388.06-467,726.47

Finding the Fourth Proportional to 722,521.69, 1,079,388.06 and 467,726.47

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Solution

The fourth proportional to 722,521.69, 1,079,388.06 and 467,726.47 is: 698,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,521.69 : 1,079,388.06 = 467,726.47 : x
  2. Step 2: Convert to fraction form
    722,521.69/1,079,388.06 = 467,726.47/x
  3. Step 3: Cross multiply
    722,521.69x = 1,079,388.06 × 467,726.47
  4. Step 4: Simplify right side
    722,521.69x = 504,858,367,063.95
  5. Step 5: Solve for x
    x = 504,858,367,063.95/722,521.69
  6. Step 6: Final answer
    x = 698,744.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.