Home / 691,969.32-1,038,126.78-193,329

Finding the Fourth Proportional to 691,969.32, 1,038,126.78 and 193,329

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Solution

The fourth proportional to 691,969.32, 1,038,126.78 and 193,329 is: 290,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,969.32 : 1,038,126.78 = 193,329 : x
  2. Step 2: Convert to fraction form
    691,969.32/1,038,126.78 = 193,329/x
  3. Step 3: Cross multiply
    691,969.32x = 1,038,126.78 × 193,329
  4. Step 4: Simplify right side
    691,969.32x = 200,700,012,250.62
  5. Step 5: Solve for x
    x = 200,700,012,250.62/691,969.32
  6. Step 6: Final answer
    x = 290,041.78

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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.