Home / 738,473.40-1,107,718.88-205,962

Finding the Fourth Proportional to 738,473.40, 1,107,718.88 and 205,962

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Solution

The fourth proportional to 738,473.40, 1,107,718.88 and 205,962 is: 308,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,473.40 : 1,107,718.88 = 205,962 : x
  2. Step 2: Convert to fraction form
    738,473.40/1,107,718.88 = 205,962/x
  3. Step 3: Cross multiply
    738,473.40x = 1,107,718.88 × 205,962
  4. Step 4: Simplify right side
    738,473.40x = 228,147,995,962.56
  5. Step 5: Solve for x
    x = 228,147,995,962.56/738,473.40
  6. Step 6: Final answer
    x = 308,945.45

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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.