Home / 1,121,859.01-1,682,788.52-523,238.84

Finding the Fourth Proportional to 1,121,859.01, 1,682,788.52 and 523,238.84

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Solution

The fourth proportional to 1,121,859.01, 1,682,788.52 and 523,238.84 is: 784,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,859.01 : 1,682,788.52 = 523,238.84 : x
  2. Step 2: Convert to fraction form
    1,121,859.01/1,682,788.52 = 523,238.84/x
  3. Step 3: Cross multiply
    1,121,859.01x = 1,682,788.52 × 523,238.84
  4. Step 4: Simplify right side
    1,121,859.01x = 880,500,309,431.51
  5. Step 5: Solve for x
    x = 880,500,309,431.51/1,121,859.01
  6. Step 6: Final answer
    x = 784,858.26

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Double scale
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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.