Home / 611,629.20-917,589.60-295,826.40

Finding the Fourth Proportional to 611,629.20, 917,589.60 and 295,826.40

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Solution

The fourth proportional to 611,629.20, 917,589.60 and 295,826.40 is: 443,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,629.20 : 917,589.60 = 295,826.40 : x
  2. Step 2: Convert to fraction form
    611,629.20/917,589.60 = 295,826.40/x
  3. Step 3: Cross multiply
    611,629.20x = 917,589.60 × 295,826.40
  4. Step 4: Simplify right side
    611,629.20x = 271,447,228,045.44
  5. Step 5: Solve for x
    x = 271,447,228,045.44/611,629.20
  6. Step 6: Final answer
    x = 443,810.12

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1.5x scale

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.