Home / 1,280,617.19-1,767,277.06-699,876.28

Finding the Fourth Proportional to 1,280,617.19, 1,767,277.06 and 699,876.28

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Solution

The fourth proportional to 1,280,617.19, 1,767,277.06 and 699,876.28 is: 965,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,617.19 : 1,767,277.06 = 699,876.28 : x
  2. Step 2: Convert to fraction form
    1,280,617.19/1,767,277.06 = 699,876.28/x
  3. Step 3: Cross multiply
    1,280,617.19x = 1,767,277.06 × 699,876.28
  4. Step 4: Simplify right side
    1,280,617.19x = 1,236,875,288,314.25
  5. Step 5: Solve for x
    x = 1,236,875,288,314.25/1,280,617.19
  6. Step 6: Final answer
    x = 965,843.11

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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.