Home / 719,177.94-1,078,942.55-239,404.82

Finding the Fourth Proportional to 719,177.94, 1,078,942.55 and 239,404.82

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Solution

The fourth proportional to 719,177.94, 1,078,942.55 and 239,404.82 is: 359,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,177.94 : 1,078,942.55 = 239,404.82 : x
  2. Step 2: Convert to fraction form
    719,177.94/1,078,942.55 = 239,404.82/x
  3. Step 3: Cross multiply
    719,177.94x = 1,078,942.55 × 239,404.82
  4. Step 4: Simplify right side
    719,177.94x = 258,304,040,381.35
  5. Step 5: Solve for x
    x = 258,304,040,381.35/719,177.94
  6. Step 6: Final answer
    x = 359,165.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.