Home / 1,277,488.31-1,762,935.54-696,712.69

Finding the Fourth Proportional to 1,277,488.31, 1,762,935.54 and 696,712.69

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Solution

The fourth proportional to 1,277,488.31, 1,762,935.54 and 696,712.69 is: 961,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,488.31 : 1,762,935.54 = 696,712.69 : x
  2. Step 2: Convert to fraction form
    1,277,488.31/1,762,935.54 = 696,712.69/x
  3. Step 3: Cross multiply
    1,277,488.31x = 1,762,935.54 × 696,712.69
  4. Step 4: Simplify right side
    1,277,488.31x = 1,228,259,561,961.00
  5. Step 5: Solve for x
    x = 1,228,259,561,961.00/1,277,488.31
  6. Step 6: Final answer
    x = 961,464.42

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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.