Home / 1,411,690.90-1,947,975.30-799,712.56

Finding the Fourth Proportional to 1,411,690.90, 1,947,975.30 and 799,712.56

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Solution

The fourth proportional to 1,411,690.90, 1,947,975.30 and 799,712.56 is: 1,103,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,690.90 : 1,947,975.30 = 799,712.56 : x
  2. Step 2: Convert to fraction form
    1,411,690.90/1,947,975.30 = 799,712.56/x
  3. Step 3: Cross multiply
    1,411,690.90x = 1,947,975.30 × 799,712.56
  4. Step 4: Simplify right side
    1,411,690.90x = 1,557,820,313,979.77
  5. Step 5: Solve for x
    x = 1,557,820,313,979.77/1,411,690.90
  6. Step 6: Final answer
    x = 1,103,513.75

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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.