Home / 691,439.25-1,037,333.84-192,803.25

Finding the Fourth Proportional to 691,439.25, 1,037,333.84 and 192,803.25

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Solution

The fourth proportional to 691,439.25, 1,037,333.84 and 192,803.25 is: 289,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,439.25 : 1,037,333.84 = 192,803.25 : x
  2. Step 2: Convert to fraction form
    691,439.25/1,037,333.84 = 192,803.25/x
  3. Step 3: Cross multiply
    691,439.25x = 1,037,333.84 × 192,803.25
  4. Step 4: Simplify right side
    691,439.25x = 200,001,334,722.96
  5. Step 5: Solve for x
    x = 200,001,334,722.96/691,439.25
  6. Step 6: Final answer
    x = 289,253.66

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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.