Home / 1,236,187.30-1,850,958.78-784,462.45

Finding the Fourth Proportional to 1,236,187.30, 1,850,958.78 and 784,462.45

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Solution

The fourth proportional to 1,236,187.30, 1,850,958.78 and 784,462.45 is: 1,174,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,187.30 : 1,850,958.78 = 784,462.45 : x
  2. Step 2: Convert to fraction form
    1,236,187.30/1,850,958.78 = 784,462.45/x
  3. Step 3: Cross multiply
    1,236,187.30x = 1,850,958.78 × 784,462.45
  4. Step 4: Simplify right side
    1,236,187.30x = 1,452,007,659,407.81
  5. Step 5: Solve for x
    x = 1,452,007,659,407.81/1,236,187.30
  6. Step 6: Final answer
    x = 1,174,585.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.