Home / 1,132,414.60-1,698,621.90-628,529.80

Finding the Fourth Proportional to 1,132,414.60, 1,698,621.90 and 628,529.80

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Solution

The fourth proportional to 1,132,414.60, 1,698,621.90 and 628,529.80 is: 942,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,414.60 : 1,698,621.90 = 628,529.80 : x
  2. Step 2: Convert to fraction form
    1,132,414.60/1,698,621.90 = 628,529.80/x
  3. Step 3: Cross multiply
    1,132,414.60x = 1,698,621.90 × 628,529.80
  4. Step 4: Simplify right side
    1,132,414.60x = 1,067,634,483,082.62
  5. Step 5: Solve for x
    x = 1,067,634,483,082.62/1,132,414.60
  6. Step 6: Final answer
    x = 942,794.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.