Home / 591,223.05-815,887.76-319,290.93

Finding the Fourth Proportional to 591,223.05, 815,887.76 and 319,290.93

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Solution

The fourth proportional to 591,223.05, 815,887.76 and 319,290.93 is: 440,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,223.05 : 815,887.76 = 319,290.93 : x
  2. Step 2: Convert to fraction form
    591,223.05/815,887.76 = 319,290.93/x
  3. Step 3: Cross multiply
    591,223.05x = 815,887.76 × 319,290.93
  4. Step 4: Simplify right side
    591,223.05x = 260,505,560,069.56
  5. Step 5: Solve for x
    x = 260,505,560,069.56/591,223.05
  6. Step 6: Final answer
    x = 440,621.45

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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.