Home / 1,606,231.72-2,216,578.85-917,895.74

Finding the Fourth Proportional to 1,606,231.72, 2,216,578.85 and 917,895.74

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Solution

The fourth proportional to 1,606,231.72, 2,216,578.85 and 917,895.74 is: 1,266,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,231.72 : 2,216,578.85 = 917,895.74 : x
  2. Step 2: Convert to fraction form
    1,606,231.72/2,216,578.85 = 917,895.74/x
  3. Step 3: Cross multiply
    1,606,231.72x = 2,216,578.85 × 917,895.74
  4. Step 4: Simplify right side
    1,606,231.72x = 2,034,588,286,083.84
  5. Step 5: Solve for x
    x = 2,034,588,286,083.84/1,606,231.72
  6. Step 6: Final answer
    x = 1,266,684.17

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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.