Home / 548,748.90-827,236.28-512,171.32

Finding the Fourth Proportional to 548,748.90, 827,236.28 and 512,171.32

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Solution

The fourth proportional to 548,748.90, 827,236.28 and 512,171.32 is: 772,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,748.90 : 827,236.28 = 512,171.32 : x
  2. Step 2: Convert to fraction form
    548,748.90/827,236.28 = 512,171.32/x
  3. Step 3: Cross multiply
    548,748.90x = 827,236.28 × 512,171.32
  4. Step 4: Simplify right side
    548,748.90x = 423,686,697,479.49
  5. Step 5: Solve for x
    x = 423,686,697,479.49/548,748.90
  6. Step 6: Final answer
    x = 772,095.76

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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.