Home / 1,121,876.64-1,548,183.60-612,575.40

Finding the Fourth Proportional to 1,121,876.64, 1,548,183.60 and 612,575.40

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Solution

The fourth proportional to 1,121,876.64, 1,548,183.60 and 612,575.40 is: 845,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,876.64 : 1,548,183.60 = 612,575.40 : x
  2. Step 2: Convert to fraction form
    1,121,876.64/1,548,183.60 = 612,575.40/x
  3. Step 3: Cross multiply
    1,121,876.64x = 1,548,183.60 × 612,575.40
  4. Step 4: Simplify right side
    1,121,876.64x = 948,379,188,043.44
  5. Step 5: Solve for x
    x = 948,379,188,043.44/1,121,876.64
  6. Step 6: Final answer
    x = 845,350.69

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1.5x scale

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.