Home / 591,208.13-815,870.50-322,936.13

Finding the Fourth Proportional to 591,208.13, 815,870.50 and 322,936.13

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Solution

The fourth proportional to 591,208.13, 815,870.50 and 322,936.13 is: 445,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,208.13 : 815,870.50 = 322,936.13 : x
  2. Step 2: Convert to fraction form
    591,208.13/815,870.50 = 322,936.13/x
  3. Step 3: Cross multiply
    591,208.13x = 815,870.50 × 322,936.13
  4. Step 4: Simplify right side
    591,208.13x = 263,474,056,964.47
  5. Step 5: Solve for x
    x = 263,474,056,964.47/591,208.13
  6. Step 6: Final answer
    x = 445,653.65

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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.