Home / 669,477.84-1,004,168.14-220,193.52

Finding the Fourth Proportional to 669,477.84, 1,004,168.14 and 220,193.52

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Solution

The fourth proportional to 669,477.84, 1,004,168.14 and 220,193.52 is: 330,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,477.84 : 1,004,168.14 = 220,193.52 : x
  2. Step 2: Convert to fraction form
    669,477.84/1,004,168.14 = 220,193.52/x
  3. Step 3: Cross multiply
    669,477.84x = 1,004,168.14 × 220,193.52
  4. Step 4: Simplify right side
    669,477.84x = 221,111,317,418.45
  5. Step 5: Solve for x
    x = 221,111,317,418.45/669,477.84
  6. Step 6: Final answer
    x = 330,274.29

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Double scale
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1.5x scale

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.