Home / 777,624.25-1,166,436.39-186,648.25

Finding the Fourth Proportional to 777,624.25, 1,166,436.39 and 186,648.25

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Solution

The fourth proportional to 777,624.25, 1,166,436.39 and 186,648.25 is: 279,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,624.25 : 1,166,436.39 = 186,648.25 : x
  2. Step 2: Convert to fraction form
    777,624.25/1,166,436.39 = 186,648.25/x
  3. Step 3: Cross multiply
    777,624.25x = 1,166,436.39 × 186,648.25
  4. Step 4: Simplify right side
    777,624.25x = 217,713,310,929.82
  5. Step 5: Solve for x
    x = 217,713,310,929.82/777,624.25
  6. Step 6: Final answer
    x = 279,972.38

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Double scale
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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.