Home / 1,174,915.20-1,621,261.02-691,451.52

Finding the Fourth Proportional to 1,174,915.20, 1,621,261.02 and 691,451.52

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Solution

The fourth proportional to 1,174,915.20, 1,621,261.02 and 691,451.52 is: 954,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,915.20 : 1,621,261.02 = 691,451.52 : x
  2. Step 2: Convert to fraction form
    1,174,915.20/1,621,261.02 = 691,451.52/x
  3. Step 3: Cross multiply
    1,174,915.20x = 1,621,261.02 × 691,451.52
  4. Step 4: Simplify right side
    1,174,915.20x = 1,121,023,396,595.75
  5. Step 5: Solve for x
    x = 1,121,023,396,595.75/1,174,915.20
  6. Step 6: Final answer
    x = 954,131.33

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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.