Home / 578,570.13-867,912.29-199,440.96

Finding the Fourth Proportional to 578,570.13, 867,912.29 and 199,440.96

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Solution

The fourth proportional to 578,570.13, 867,912.29 and 199,440.96 is: 299,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,570.13 : 867,912.29 = 199,440.96 : x
  2. Step 2: Convert to fraction form
    578,570.13/867,912.29 = 199,440.96/x
  3. Step 3: Cross multiply
    578,570.13x = 867,912.29 × 199,440.96
  4. Step 4: Simplify right side
    578,570.13x = 173,097,260,313.40
  5. Step 5: Solve for x
    x = 173,097,260,313.40/578,570.13
  6. Step 6: Final answer
    x = 299,181.12

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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.