Home / 889,082.42-1,226,935.32-481,184.78

Finding the Fourth Proportional to 889,082.42, 1,226,935.32 and 481,184.78

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Solution

The fourth proportional to 889,082.42, 1,226,935.32 and 481,184.78 is: 664,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,082.42 : 1,226,935.32 = 481,184.78 : x
  2. Step 2: Convert to fraction form
    889,082.42/1,226,935.32 = 481,184.78/x
  3. Step 3: Cross multiply
    889,082.42x = 1,226,935.32 × 481,184.78
  4. Step 4: Simplify right side
    889,082.42x = 590,382,602,028.43
  5. Step 5: Solve for x
    x = 590,382,602,028.43/889,082.42
  6. Step 6: Final answer
    x = 664,035.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.