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Finding the Fourth Proportional to 777,753.88, 1,170,832.57 and 699,544.72

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Solution

The fourth proportional to 777,753.88, 1,170,832.57 and 699,544.72 is: 1,053,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,753.88 : 1,170,832.57 = 699,544.72 : x
  2. Step 2: Convert to fraction form
    777,753.88/1,170,832.57 = 699,544.72/x
  3. Step 3: Cross multiply
    777,753.88x = 1,170,832.57 × 699,544.72
  4. Step 4: Simplify right side
    777,753.88x = 819,049,742,347.53
  5. Step 5: Solve for x
    x = 819,049,742,347.53/777,753.88
  6. Step 6: Final answer
    x = 1,053,096.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.