Home / 583,007.62-804,122.25-386,418.56

Finding the Fourth Proportional to 583,007.62, 804,122.25 and 386,418.56

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Solution

The fourth proportional to 583,007.62, 804,122.25 and 386,418.56 is: 532,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,007.62 : 804,122.25 = 386,418.56 : x
  2. Step 2: Convert to fraction form
    583,007.62/804,122.25 = 386,418.56/x
  3. Step 3: Cross multiply
    583,007.62x = 804,122.25 × 386,418.56
  4. Step 4: Simplify right side
    583,007.62x = 310,727,761,628.34
  5. Step 5: Solve for x
    x = 310,727,761,628.34/583,007.62
  6. Step 6: Final answer
    x = 532,973.76

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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.