Home / 777,792.20-1,166,688.29-186,816.20

Finding the Fourth Proportional to 777,792.20, 1,166,688.29 and 186,816.20

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Solution

The fourth proportional to 777,792.20, 1,166,688.29 and 186,816.20 is: 280,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,792.20 : 1,166,688.29 = 186,816.20 : x
  2. Step 2: Convert to fraction form
    777,792.20/1,166,688.29 = 186,816.20/x
  3. Step 3: Cross multiply
    777,792.20x = 1,166,688.29 × 186,816.20
  4. Step 4: Simplify right side
    777,792.20x = 217,956,266,154.78
  5. Step 5: Solve for x
    x = 217,956,266,154.78/777,792.20
  6. Step 6: Final answer
    x = 280,224.29

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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.