Home / 1,280,964.56-1,767,700.28-700,161.60

Finding the Fourth Proportional to 1,280,964.56, 1,767,700.28 and 700,161.60

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Solution

The fourth proportional to 1,280,964.56, 1,767,700.28 and 700,161.60 is: 966,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,964.56 : 1,767,700.28 = 700,161.60 : x
  2. Step 2: Convert to fraction form
    1,280,964.56/1,767,700.28 = 700,161.60/x
  3. Step 3: Cross multiply
    1,280,964.56x = 1,767,700.28 × 700,161.60
  4. Step 4: Simplify right side
    1,280,964.56x = 1,237,675,856,365.25
  5. Step 5: Solve for x
    x = 1,237,675,856,365.25/1,280,964.56
  6. Step 6: Final answer
    x = 966,206.17

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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.