Home / 983,136.40-1,356,003.86-741,429.16

Finding the Fourth Proportional to 983,136.40, 1,356,003.86 and 741,429.16

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Solution

The fourth proportional to 983,136.40, 1,356,003.86 and 741,429.16 is: 1,022,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,136.40 : 1,356,003.86 = 741,429.16 : x
  2. Step 2: Convert to fraction form
    983,136.40/1,356,003.86 = 741,429.16/x
  3. Step 3: Cross multiply
    983,136.40x = 1,356,003.86 × 741,429.16
  4. Step 4: Simplify right side
    983,136.40x = 1,005,380,802,876.56
  5. Step 5: Solve for x
    x = 1,005,380,802,876.56/983,136.40
  6. Step 6: Final answer
    x = 1,022,625.96

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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.