Home / 1,259,528.64-1,738,198.08-686,601.60

Finding the Fourth Proportional to 1,259,528.64, 1,738,198.08 and 686,601.60

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Solution

The fourth proportional to 1,259,528.64, 1,738,198.08 and 686,601.60 is: 947,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,528.64 : 1,738,198.08 = 686,601.60 : x
  2. Step 2: Convert to fraction form
    1,259,528.64/1,738,198.08 = 686,601.60/x
  3. Step 3: Cross multiply
    1,259,528.64x = 1,738,198.08 × 686,601.60
  4. Step 4: Simplify right side
    1,259,528.64x = 1,193,449,582,844.93
  5. Step 5: Solve for x
    x = 1,193,449,582,844.93/1,259,528.64
  6. Step 6: Final answer
    x = 947,536.68

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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.