Home / 1,198,037.32-1,653,358.73-654,223.66

Finding the Fourth Proportional to 1,198,037.32, 1,653,358.73 and 654,223.66

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Solution

The fourth proportional to 1,198,037.32, 1,653,358.73 and 654,223.66 is: 902,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,037.32 : 1,653,358.73 = 654,223.66 : x
  2. Step 2: Convert to fraction form
    1,198,037.32/1,653,358.73 = 654,223.66/x
  3. Step 3: Cross multiply
    1,198,037.32x = 1,653,358.73 × 654,223.66
  4. Step 4: Simplify right side
    1,198,037.32x = 1,081,666,399,633.55
  5. Step 5: Solve for x
    x = 1,081,666,399,633.55/1,198,037.32
  6. Step 6: Final answer
    x = 902,865.36

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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.