Home / 779,616.62-1,169,424.96-188,640.62

Finding the Fourth Proportional to 779,616.62, 1,169,424.96 and 188,640.62

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Solution

The fourth proportional to 779,616.62, 1,169,424.96 and 188,640.62 is: 282,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,616.62 : 1,169,424.96 = 188,640.62 : x
  2. Step 2: Convert to fraction form
    779,616.62/1,169,424.96 = 188,640.62/x
  3. Step 3: Cross multiply
    779,616.62x = 1,169,424.96 × 188,640.62
  4. Step 4: Simplify right side
    779,616.62x = 220,601,049,497.88
  5. Step 5: Solve for x
    x = 220,601,049,497.88/779,616.62
  6. Step 6: Final answer
    x = 282,960.94

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Similar ratio
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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.