Home / 1,642,179.62-2,266,186.47-917,040.08

Finding the Fourth Proportional to 1,642,179.62, 2,266,186.47 and 917,040.08

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Solution

The fourth proportional to 1,642,179.62, 2,266,186.47 and 917,040.08 is: 1,265,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,179.62 : 2,266,186.47 = 917,040.08 : x
  2. Step 2: Convert to fraction form
    1,642,179.62/2,266,186.47 = 917,040.08/x
  3. Step 3: Cross multiply
    1,642,179.62x = 2,266,186.47 × 917,040.08
  4. Step 4: Simplify right side
    1,642,179.62x = 2,078,183,821,743.72
  5. Step 5: Solve for x
    x = 2,078,183,821,743.72/1,642,179.62
  6. Step 6: Final answer
    x = 1,265,503.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.