Home / 635,087.28-876,424.14-348,609.72

Finding the Fourth Proportional to 635,087.28, 876,424.14 and 348,609.72

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Solution

The fourth proportional to 635,087.28, 876,424.14 and 348,609.72 is: 481,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,087.28 : 876,424.14 = 348,609.72 : x
  2. Step 2: Convert to fraction form
    635,087.28/876,424.14 = 348,609.72/x
  3. Step 3: Cross multiply
    635,087.28x = 876,424.14 × 348,609.72
  4. Step 4: Simplify right side
    635,087.28x = 305,529,974,046.64
  5. Step 5: Solve for x
    x = 305,529,974,046.64/635,087.28
  6. Step 6: Final answer
    x = 481,083.44

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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.