Home / 1,222,372.01-1,686,980.12-713,238.41

Finding the Fourth Proportional to 1,222,372.01, 1,686,980.12 and 713,238.41

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Solution

The fourth proportional to 1,222,372.01, 1,686,980.12 and 713,238.41 is: 984,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,372.01 : 1,686,980.12 = 713,238.41 : x
  2. Step 2: Convert to fraction form
    1,222,372.01/1,686,980.12 = 713,238.41/x
  3. Step 3: Cross multiply
    1,222,372.01x = 1,686,980.12 × 713,238.41
  4. Step 4: Simplify right side
    1,222,372.01x = 1,203,219,006,489.32
  5. Step 5: Solve for x
    x = 1,203,219,006,489.32/1,222,372.01
  6. Step 6: Final answer
    x = 984,331.29

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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.