Home / 777,907.60-1,166,861.28-186,931.60

Finding the Fourth Proportional to 777,907.60, 1,166,861.28 and 186,931.60

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Solution

The fourth proportional to 777,907.60, 1,166,861.28 and 186,931.60 is: 280,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,907.60 : 1,166,861.28 = 186,931.60 : x
  2. Step 2: Convert to fraction form
    777,907.60/1,166,861.28 = 186,931.60/x
  3. Step 3: Cross multiply
    777,907.60x = 1,166,861.28 × 186,931.60
  4. Step 4: Simplify right side
    777,907.60x = 218,123,246,048.45
  5. Step 5: Solve for x
    x = 218,123,246,048.45/777,907.60
  6. Step 6: Final answer
    x = 280,397.37

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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.