Home / 445,280.20-666,608.10-295,689.40

Finding the Fourth Proportional to 445,280.20, 666,608.10 and 295,689.40

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Solution

The fourth proportional to 445,280.20, 666,608.10 and 295,689.40 is: 442,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,280.20 : 666,608.10 = 295,689.40 : x
  2. Step 2: Convert to fraction form
    445,280.20/666,608.10 = 295,689.40/x
  3. Step 3: Cross multiply
    445,280.20x = 666,608.10 × 295,689.40
  4. Step 4: Simplify right side
    445,280.20x = 197,108,949,124.14
  5. Step 5: Solve for x
    x = 197,108,949,124.14/445,280.20
  6. Step 6: Final answer
    x = 442,662.73

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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.