Home / 448,682.41-671,443.83-280,282.04

Finding the Fourth Proportional to 448,682.41, 671,443.83 and 280,282.04

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Solution

The fourth proportional to 448,682.41, 671,443.83 and 280,282.04 is: 419,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,682.41 : 671,443.83 = 280,282.04 : x
  2. Step 2: Convert to fraction form
    448,682.41/671,443.83 = 280,282.04/x
  3. Step 3: Cross multiply
    448,682.41x = 671,443.83 × 280,282.04
  4. Step 4: Simplify right side
    448,682.41x = 188,193,646,417.81
  5. Step 5: Solve for x
    x = 188,193,646,417.81/448,682.41
  6. Step 6: Final answer
    x = 419,436.20

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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.