Home / 447,741.56-671,617.51-191,539.28

Finding the Fourth Proportional to 447,741.56, 671,617.51 and 191,539.28

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Solution

The fourth proportional to 447,741.56, 671,617.51 and 191,539.28 is: 287,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,741.56 : 671,617.51 = 191,539.28 : x
  2. Step 2: Convert to fraction form
    447,741.56/671,617.51 = 191,539.28/x
  3. Step 3: Cross multiply
    447,741.56x = 671,617.51 × 191,539.28
  4. Step 4: Simplify right side
    447,741.56x = 128,641,135,500.99
  5. Step 5: Solve for x
    x = 128,641,135,500.99/447,741.56
  6. Step 6: Final answer
    x = 287,311.14

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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.