Home / 1,147,703.40-1,719,586.80-547,371.90

Finding the Fourth Proportional to 1,147,703.40, 1,719,586.80 and 547,371.90

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Solution

The fourth proportional to 1,147,703.40, 1,719,586.80 and 547,371.90 is: 820,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,703.40 : 1,719,586.80 = 547,371.90 : x
  2. Step 2: Convert to fraction form
    1,147,703.40/1,719,586.80 = 547,371.90/x
  3. Step 3: Cross multiply
    1,147,703.40x = 1,719,586.80 × 547,371.90
  4. Step 4: Simplify right side
    1,147,703.40x = 941,253,493,930.92
  5. Step 5: Solve for x
    x = 941,253,493,930.92/1,147,703.40
  6. Step 6: Final answer
    x = 820,119.11

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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.