Home / 1,488,775.39-2,223,078.84-1,181,724.68

Finding the Fourth Proportional to 1,488,775.39, 2,223,078.84 and 1,181,724.68

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Solution

The fourth proportional to 1,488,775.39, 2,223,078.84 and 1,181,724.68 is: 1,764,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,775.39 : 2,223,078.84 = 1,181,724.68 : x
  2. Step 2: Convert to fraction form
    1,488,775.39/2,223,078.84 = 1,181,724.68/x
  3. Step 3: Cross multiply
    1,488,775.39x = 2,223,078.84 × 1,181,724.68
  4. Step 4: Simplify right side
    1,488,775.39x = 2,627,067,136,371.47
  5. Step 5: Solve for x
    x = 2,627,067,136,371.47/1,488,775.39
  6. Step 6: Final answer
    x = 1,764,582.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.