Home / 1,238,521.97-1,709,166.37-694,686.83

Finding the Fourth Proportional to 1,238,521.97, 1,709,166.37 and 694,686.83

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Solution

The fourth proportional to 1,238,521.97, 1,709,166.37 and 694,686.83 is: 958,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,521.97 : 1,709,166.37 = 694,686.83 : x
  2. Step 2: Convert to fraction form
    1,238,521.97/1,709,166.37 = 694,686.83/x
  3. Step 3: Cross multiply
    1,238,521.97x = 1,709,166.37 × 694,686.83
  4. Step 4: Simplify right side
    1,238,521.97x = 1,187,335,358,972.08
  5. Step 5: Solve for x
    x = 1,187,335,358,972.08/1,238,521.97
  6. Step 6: Final answer
    x = 958,671.21

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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.