Home / 1,173,267.41-1,619,132.01-765,630.05

Finding the Fourth Proportional to 1,173,267.41, 1,619,132.01 and 765,630.05

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Solution

The fourth proportional to 1,173,267.41, 1,619,132.01 and 765,630.05 is: 1,056,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,267.41 : 1,619,132.01 = 765,630.05 : x
  2. Step 2: Convert to fraction form
    1,173,267.41/1,619,132.01 = 765,630.05/x
  3. Step 3: Cross multiply
    1,173,267.41x = 1,619,132.01 × 765,630.05
  4. Step 4: Simplify right side
    1,173,267.41x = 1,239,656,121,772.90
  5. Step 5: Solve for x
    x = 1,239,656,121,772.90/1,173,267.41
  6. Step 6: Final answer
    x = 1,056,584.47

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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.