Home / 1,012,038.80-1,396,665.57-582,383.21

Finding the Fourth Proportional to 1,012,038.80, 1,396,665.57 and 582,383.21

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Solution

The fourth proportional to 1,012,038.80, 1,396,665.57 and 582,383.21 is: 803,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,038.80 : 1,396,665.57 = 582,383.21 : x
  2. Step 2: Convert to fraction form
    1,012,038.80/1,396,665.57 = 582,383.21/x
  3. Step 3: Cross multiply
    1,012,038.80x = 1,396,665.57 × 582,383.21
  4. Step 4: Simplify right side
    1,012,038.80x = 813,394,570,969.75
  5. Step 5: Solve for x
    x = 813,394,570,969.75/1,012,038.80
  6. Step 6: Final answer
    x = 803,718.77

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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.