Home / 889,013.91-1,226,843.11-481,115.81

Finding the Fourth Proportional to 889,013.91, 1,226,843.11 and 481,115.81

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Solution

The fourth proportional to 889,013.91, 1,226,843.11 and 481,115.81 is: 663,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,013.91 : 1,226,843.11 = 481,115.81 : x
  2. Step 2: Convert to fraction form
    889,013.91/1,226,843.11 = 481,115.81/x
  3. Step 3: Cross multiply
    889,013.91x = 1,226,843.11 × 481,115.81
  4. Step 4: Simplify right side
    889,013.91x = 590,253,614,798.84
  5. Step 5: Solve for x
    x = 590,253,614,798.84/889,013.91
  6. Step 6: Final answer
    x = 663,941.93

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Double scale
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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.