Home / 482,643.56-723,933.45-198,259.75

Finding the Fourth Proportional to 482,643.56, 723,933.45 and 198,259.75

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Solution

The fourth proportional to 482,643.56, 723,933.45 and 198,259.75 is: 297,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,643.56 : 723,933.45 = 198,259.75 : x
  2. Step 2: Convert to fraction form
    482,643.56/723,933.45 = 198,259.75/x
  3. Step 3: Cross multiply
    482,643.56x = 723,933.45 × 198,259.75
  4. Step 4: Simplify right side
    482,643.56x = 143,526,865,718.55
  5. Step 5: Solve for x
    x = 143,526,865,718.55/482,643.56
  6. Step 6: Final answer
    x = 297,376.53

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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.