Home / 669,476.84-1,004,166.64-220,192.52

Finding the Fourth Proportional to 669,476.84, 1,004,166.64 and 220,192.52

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Solution

The fourth proportional to 669,476.84, 1,004,166.64 and 220,192.52 is: 330,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,476.84 : 1,004,166.64 = 220,192.52 : x
  2. Step 2: Convert to fraction form
    669,476.84/1,004,166.64 = 220,192.52/x
  3. Step 3: Cross multiply
    669,476.84x = 1,004,166.64 × 220,192.52
  4. Step 4: Simplify right side
    669,476.84x = 221,109,982,961.53
  5. Step 5: Solve for x
    x = 221,109,982,961.53/669,476.84
  6. Step 6: Final answer
    x = 330,272.79

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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.