Home / 864,880.12-1,297,444.11-265,891.42

Finding the Fourth Proportional to 864,880.12, 1,297,444.11 and 265,891.42

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Solution

The fourth proportional to 864,880.12, 1,297,444.11 and 265,891.42 is: 398,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,880.12 : 1,297,444.11 = 265,891.42 : x
  2. Step 2: Convert to fraction form
    864,880.12/1,297,444.11 = 265,891.42/x
  3. Step 3: Cross multiply
    864,880.12x = 1,297,444.11 × 265,891.42
  4. Step 4: Simplify right side
    864,880.12x = 344,979,256,778.54
  5. Step 5: Solve for x
    x = 344,979,256,778.54/864,880.12
  6. Step 6: Final answer
    x = 398,875.23

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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.