Home / 1,080,938.87-1,621,475.17-361,345.33

Finding the Fourth Proportional to 1,080,938.87, 1,621,475.17 and 361,345.33

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Solution

The fourth proportional to 1,080,938.87, 1,621,475.17 and 361,345.33 is: 542,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,938.87 : 1,621,475.17 = 361,345.33 : x
  2. Step 2: Convert to fraction form
    1,080,938.87/1,621,475.17 = 361,345.33/x
  3. Step 3: Cross multiply
    1,080,938.87x = 1,621,475.17 × 361,345.33
  4. Step 4: Simplify right side
    1,080,938.87x = 585,912,479,494.27
  5. Step 5: Solve for x
    x = 585,912,479,494.27/1,080,938.87
  6. Step 6: Final answer
    x = 542,040.34

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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.