Home / 548,731.05-827,209.41-512,153.48

Finding the Fourth Proportional to 548,731.05, 827,209.41 and 512,153.48

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Solution

The fourth proportional to 548,731.05, 827,209.41 and 512,153.48 is: 772,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,731.05 : 827,209.41 = 512,153.48 : x
  2. Step 2: Convert to fraction form
    548,731.05/827,209.41 = 512,153.48/x
  3. Step 3: Cross multiply
    548,731.05x = 827,209.41 × 512,153.48
  4. Step 4: Simplify right side
    548,731.05x = 423,658,173,884.20
  5. Step 5: Solve for x
    x = 423,658,173,884.20/548,731.05
  6. Step 6: Final answer
    x = 772,068.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.