Home / 1,202,937.85-1,659,843.24-686,455.93

Finding the Fourth Proportional to 1,202,937.85, 1,659,843.24 and 686,455.93

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Solution

The fourth proportional to 1,202,937.85, 1,659,843.24 and 686,455.93 is: 947,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,937.85 : 1,659,843.24 = 686,455.93 : x
  2. Step 2: Convert to fraction form
    1,202,937.85/1,659,843.24 = 686,455.93/x
  3. Step 3: Cross multiply
    1,202,937.85x = 1,659,843.24 × 686,455.93
  4. Step 4: Simplify right side
    1,202,937.85x = 1,139,409,226,669.20
  5. Step 5: Solve for x
    x = 1,139,409,226,669.20/1,202,937.85
  6. Step 6: Final answer
    x = 947,188.78

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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.