Home / 691,972.82-1,038,132.03-193,332.50

Finding the Fourth Proportional to 691,972.82, 1,038,132.03 and 193,332.50

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Solution

The fourth proportional to 691,972.82, 1,038,132.03 and 193,332.50 is: 290,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,972.82 : 1,038,132.03 = 193,332.50 : x
  2. Step 2: Convert to fraction form
    691,972.82/1,038,132.03 = 193,332.50/x
  3. Step 3: Cross multiply
    691,972.82x = 1,038,132.03 × 193,332.50
  4. Step 4: Simplify right side
    691,972.82x = 200,704,660,689.98
  5. Step 5: Solve for x
    x = 200,704,660,689.98/691,972.82
  6. Step 6: Final answer
    x = 290,047.03

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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.