Home / 1,173,322.20-1,619,184.60-636,778.20

Finding the Fourth Proportional to 1,173,322.20, 1,619,184.60 and 636,778.20

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Solution

The fourth proportional to 1,173,322.20, 1,619,184.60 and 636,778.20 is: 878,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,322.20 : 1,619,184.60 = 636,778.20 : x
  2. Step 2: Convert to fraction form
    1,173,322.20/1,619,184.60 = 636,778.20/x
  3. Step 3: Cross multiply
    1,173,322.20x = 1,619,184.60 × 636,778.20
  4. Step 4: Simplify right side
    1,173,322.20x = 1,031,061,455,055.72
  5. Step 5: Solve for x
    x = 1,031,061,455,055.72/1,173,322.20
  6. Step 6: Final answer
    x = 878,753.90

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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.