Home / 447,610.31-671,618.57-409,769.54

Finding the Fourth Proportional to 447,610.31, 671,618.57 and 409,769.54

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Solution

The fourth proportional to 447,610.31, 671,618.57 and 409,769.54 is: 614,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,610.31 : 671,618.57 = 409,769.54 : x
  2. Step 2: Convert to fraction form
    447,610.31/671,618.57 = 409,769.54/x
  3. Step 3: Cross multiply
    447,610.31x = 671,618.57 × 409,769.54
  4. Step 4: Simplify right side
    447,610.31x = 275,208,832,484.36
  5. Step 5: Solve for x
    x = 275,208,832,484.36/447,610.31
  6. Step 6: Final answer
    x = 614,840.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.