Home / 1,071,087.12-1,606,636.19-361,121.31

Finding the Fourth Proportional to 1,071,087.12, 1,606,636.19 and 361,121.31

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Solution

The fourth proportional to 1,071,087.12, 1,606,636.19 and 361,121.31 is: 541,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,087.12 : 1,606,636.19 = 361,121.31 : x
  2. Step 2: Convert to fraction form
    1,071,087.12/1,606,636.19 = 361,121.31/x
  3. Step 3: Cross multiply
    1,071,087.12x = 1,606,636.19 × 361,121.31
  4. Step 4: Simplify right side
    1,071,087.12x = 580,190,566,529.01
  5. Step 5: Solve for x
    x = 580,190,566,529.01/1,071,087.12
  6. Step 6: Final answer
    x = 541,683.82

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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.