Home / 691,972.32-1,038,131.28-193,332

Finding the Fourth Proportional to 691,972.32, 1,038,131.28 and 193,332

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Solution

The fourth proportional to 691,972.32, 1,038,131.28 and 193,332 is: 290,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,972.32 : 1,038,131.28 = 193,332 : x
  2. Step 2: Convert to fraction form
    691,972.32/1,038,131.28 = 193,332/x
  3. Step 3: Cross multiply
    691,972.32x = 1,038,131.28 × 193,332
  4. Step 4: Simplify right side
    691,972.32x = 200,703,996,624.96
  5. Step 5: Solve for x
    x = 200,703,996,624.96/691,972.32
  6. Step 6: Final answer
    x = 290,046.28

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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.