Home / 1,172,361.62-1,617,345.37-688,708.58

Finding the Fourth Proportional to 1,172,361.62, 1,617,345.37 and 688,708.58

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Solution

The fourth proportional to 1,172,361.62, 1,617,345.37 and 688,708.58 is: 950,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,361.62 : 1,617,345.37 = 688,708.58 : x
  2. Step 2: Convert to fraction form
    1,172,361.62/1,617,345.37 = 688,708.58/x
  3. Step 3: Cross multiply
    1,172,361.62x = 1,617,345.37 × 688,708.58
  4. Step 4: Simplify right side
    1,172,361.62x = 1,113,879,633,142.27
  5. Step 5: Solve for x
    x = 1,113,879,633,142.27/1,172,361.62
  6. Step 6: Final answer
    x = 950,116.09

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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.