Home / 1,606,297.25-2,216,669.53-917,961.21

Finding the Fourth Proportional to 1,606,297.25, 2,216,669.53 and 917,961.21

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Solution

The fourth proportional to 1,606,297.25, 2,216,669.53 and 917,961.21 is: 1,266,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,297.25 : 2,216,669.53 = 917,961.21 : x
  2. Step 2: Convert to fraction form
    1,606,297.25/2,216,669.53 = 917,961.21/x
  3. Step 3: Cross multiply
    1,606,297.25x = 2,216,669.53 × 917,961.21
  4. Step 4: Simplify right side
    1,606,297.25x = 2,034,816,643,928.93
  5. Step 5: Solve for x
    x = 2,034,816,643,928.93/1,606,297.25
  6. Step 6: Final answer
    x = 1,266,774.65

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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.