Home / 1,202,896.40-1,659,588.35-686,279.16

Finding the Fourth Proportional to 1,202,896.40, 1,659,588.35 and 686,279.16

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Solution

The fourth proportional to 1,202,896.40, 1,659,588.35 and 686,279.16 is: 946,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,896.40 : 1,659,588.35 = 686,279.16 : x
  2. Step 2: Convert to fraction form
    1,202,896.40/1,659,588.35 = 686,279.16/x
  3. Step 3: Cross multiply
    1,202,896.40x = 1,659,588.35 × 686,279.16
  4. Step 4: Simplify right side
    1,202,896.40x = 1,138,940,895,352.39
  5. Step 5: Solve for x
    x = 1,138,940,895,352.39/1,202,896.40
  6. Step 6: Final answer
    x = 946,832.08

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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.