Home / 1,172,116.96-1,617,772.66-713,379.28

Finding the Fourth Proportional to 1,172,116.96, 1,617,772.66 and 713,379.28

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Solution

The fourth proportional to 1,172,116.96, 1,617,772.66 and 713,379.28 is: 984,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,116.96 : 1,617,772.66 = 713,379.28 : x
  2. Step 2: Convert to fraction form
    1,172,116.96/1,617,772.66 = 713,379.28/x
  3. Step 3: Cross multiply
    1,172,116.96x = 1,617,772.66 × 713,379.28
  4. Step 4: Simplify right side
    1,172,116.96x = 1,154,085,495,394.48
  5. Step 5: Solve for x
    x = 1,154,085,495,394.48/1,172,116.96
  6. Step 6: Final answer
    x = 984,616.33

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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.