Home / 1,173,311.58-1,619,170.20-636,767.58

Finding the Fourth Proportional to 1,173,311.58, 1,619,170.20 and 636,767.58

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Solution

The fourth proportional to 1,173,311.58, 1,619,170.20 and 636,767.58 is: 878,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,311.58 : 1,619,170.20 = 636,767.58 : x
  2. Step 2: Convert to fraction form
    1,173,311.58/1,619,170.20 = 636,767.58/x
  3. Step 3: Cross multiply
    1,173,311.58x = 1,619,170.20 × 636,767.58
  4. Step 4: Simplify right side
    1,173,311.58x = 1,031,035,089,862.12
  5. Step 5: Solve for x
    x = 1,031,035,089,862.12/1,173,311.58
  6. Step 6: Final answer
    x = 878,739.38

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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.