Home / 1,080,938.67-1,621,474.86-361,345.12

Finding the Fourth Proportional to 1,080,938.67, 1,621,474.86 and 361,345.12

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Solution

The fourth proportional to 1,080,938.67, 1,621,474.86 and 361,345.12 is: 542,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,938.67 : 1,621,474.86 = 361,345.12 : x
  2. Step 2: Convert to fraction form
    1,080,938.67/1,621,474.86 = 361,345.12/x
  3. Step 3: Cross multiply
    1,080,938.67x = 1,621,474.86 × 361,345.12
  4. Step 4: Simplify right side
    1,080,938.67x = 585,912,025,165.04
  5. Step 5: Solve for x
    x = 585,912,025,165.04/1,080,938.67
  6. Step 6: Final answer
    x = 542,040.03

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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.