Home / 447,742.56-671,619.01-191,540.28

Finding the Fourth Proportional to 447,742.56, 671,619.01 and 191,540.28

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Solution

The fourth proportional to 447,742.56, 671,619.01 and 191,540.28 is: 287,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,742.56 : 671,619.01 = 191,540.28 : x
  2. Step 2: Convert to fraction form
    447,742.56/671,619.01 = 191,540.28/x
  3. Step 3: Cross multiply
    447,742.56x = 671,619.01 × 191,540.28
  4. Step 4: Simplify right side
    447,742.56x = 128,642,093,228.72
  5. Step 5: Solve for x
    x = 128,642,093,228.72/447,742.56
  6. Step 6: Final answer
    x = 287,312.63

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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.