Home / 691,974.32-1,038,134.28-193,334

Finding the Fourth Proportional to 691,974.32, 1,038,134.28 and 193,334

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Solution

The fourth proportional to 691,974.32, 1,038,134.28 and 193,334 is: 290,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,974.32 : 1,038,134.28 = 193,334 : x
  2. Step 2: Convert to fraction form
    691,974.32/1,038,134.28 = 193,334/x
  3. Step 3: Cross multiply
    691,974.32x = 1,038,134.28 × 193,334
  4. Step 4: Simplify right side
    691,974.32x = 200,706,652,889.52
  5. Step 5: Solve for x
    x = 200,706,652,889.52/691,974.32
  6. Step 6: Final answer
    x = 290,049.28

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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.