Home / 548,719.41-827,191.90-512,141.84

Finding the Fourth Proportional to 548,719.41, 827,191.90 and 512,141.84

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Solution

The fourth proportional to 548,719.41, 827,191.90 and 512,141.84 is: 772,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,719.41 : 827,191.90 = 512,141.84 : x
  2. Step 2: Convert to fraction form
    548,719.41/827,191.90 = 512,141.84/x
  3. Step 3: Cross multiply
    548,719.41x = 827,191.90 × 512,141.84
  4. Step 4: Simplify right side
    548,719.41x = 423,639,578,424.49
  5. Step 5: Solve for x
    x = 423,639,578,424.49/548,719.41
  6. Step 6: Final answer
    x = 772,051.38

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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.