Home / 1,340,884.38-2,011,321.44-542,156.34

Finding the Fourth Proportional to 1,340,884.38, 2,011,321.44 and 542,156.34

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Solution

The fourth proportional to 1,340,884.38, 2,011,321.44 and 542,156.34 is: 813,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,884.38 : 2,011,321.44 = 542,156.34 : x
  2. Step 2: Convert to fraction form
    1,340,884.38/2,011,321.44 = 542,156.34/x
  3. Step 3: Cross multiply
    1,340,884.38x = 2,011,321.44 × 542,156.34
  4. Step 4: Simplify right side
    1,340,884.38x = 1,090,450,670,473.93
  5. Step 5: Solve for x
    x = 1,090,450,670,473.93/1,340,884.38
  6. Step 6: Final answer
    x = 813,232.44

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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.