Home / 1,259,873.60-1,738,633.88-686,923.36

Finding the Fourth Proportional to 1,259,873.60, 1,738,633.88 and 686,923.36

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Solution

The fourth proportional to 1,259,873.60, 1,738,633.88 and 686,923.36 is: 947,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,873.60 : 1,738,633.88 = 686,923.36 : x
  2. Step 2: Convert to fraction form
    1,259,873.60/1,738,633.88 = 686,923.36/x
  3. Step 3: Cross multiply
    1,259,873.60x = 1,738,633.88 × 686,923.36
  4. Step 4: Simplify right side
    1,259,873.60x = 1,194,308,226,659.44
  5. Step 5: Solve for x
    x = 1,194,308,226,659.44/1,259,873.60
  6. Step 6: Final answer
    x = 947,958.77

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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.