Home / 484,921.43-669,212.33-270,061.50

Finding the Fourth Proportional to 484,921.43, 669,212.33 and 270,061.50

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Solution

The fourth proportional to 484,921.43, 669,212.33 and 270,061.50 is: 372,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.43 : 669,212.33 = 270,061.50 : x
  2. Step 2: Convert to fraction form
    484,921.43/669,212.33 = 270,061.50/x
  3. Step 3: Cross multiply
    484,921.43x = 669,212.33 × 270,061.50
  4. Step 4: Simplify right side
    484,921.43x = 180,728,484,307.99
  5. Step 5: Solve for x
    x = 180,728,484,307.99/484,921.43
  6. Step 6: Final answer
    x = 372,696.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.