Home / 1,311,600.15-1,818,262.51-1,239,757.47

Finding the Fourth Proportional to 1,311,600.15, 1,818,262.51 and 1,239,757.47

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Solution

The fourth proportional to 1,311,600.15, 1,818,262.51 and 1,239,757.47 is: 1,718,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,600.15 : 1,818,262.51 = 1,239,757.47 : x
  2. Step 2: Convert to fraction form
    1,311,600.15/1,818,262.51 = 1,239,757.47/x
  3. Step 3: Cross multiply
    1,311,600.15x = 1,818,262.51 × 1,239,757.47
  4. Step 4: Simplify right side
    1,311,600.15x = 2,254,204,526,094.06
  5. Step 5: Solve for x
    x = 2,254,204,526,094.06/1,311,600.15
  6. Step 6: Final answer
    x = 1,718,667.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.