Home / 1,202,451.25-1,659,349.96-686,195.77

Finding the Fourth Proportional to 1,202,451.25, 1,659,349.96 and 686,195.77

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Solution

The fourth proportional to 1,202,451.25, 1,659,349.96 and 686,195.77 is: 946,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,451.25 : 1,659,349.96 = 686,195.77 : x
  2. Step 2: Convert to fraction form
    1,202,451.25/1,659,349.96 = 686,195.77/x
  3. Step 3: Cross multiply
    1,202,451.25x = 1,659,349.96 × 686,195.77
  4. Step 4: Simplify right side
    1,202,451.25x = 1,138,638,923,501.67
  5. Step 5: Solve for x
    x = 1,138,638,923,501.67/1,202,451.25
  6. Step 6: Final answer
    x = 946,931.46

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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.