Home / 1,204,032.77-1,661,639.87-667,488.77

Finding the Fourth Proportional to 1,204,032.77, 1,661,639.87 and 667,488.77

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Solution

The fourth proportional to 1,204,032.77, 1,661,639.87 and 667,488.77 is: 921,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,032.77 : 1,661,639.87 = 667,488.77 : x
  2. Step 2: Convert to fraction form
    1,204,032.77/1,661,639.87 = 667,488.77/x
  3. Step 3: Cross multiply
    1,204,032.77x = 1,661,639.87 × 667,488.77
  4. Step 4: Simplify right side
    1,204,032.77x = 1,109,125,953,009.26
  5. Step 5: Solve for x
    x = 1,109,125,953,009.26/1,204,032.77
  6. Step 6: Final answer
    x = 921,175.89

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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.