Home / 777,641.60-1,166,462.28-186,665.60

Finding the Fourth Proportional to 777,641.60, 1,166,462.28 and 186,665.60

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Solution

The fourth proportional to 777,641.60, 1,166,462.28 and 186,665.60 is: 279,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,641.60 : 1,166,462.28 = 186,665.60 : x
  2. Step 2: Convert to fraction form
    777,641.60/1,166,462.28 = 186,665.60/x
  3. Step 3: Cross multiply
    777,641.60x = 1,166,462.28 × 186,665.60
  4. Step 4: Simplify right side
    777,641.60x = 217,738,381,373.57
  5. Step 5: Solve for x
    x = 217,738,381,373.57/777,641.60
  6. Step 6: Final answer
    x = 279,998.37

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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.