Home / 777,975.40-1,166,963.10-512,093.80

Finding the Fourth Proportional to 777,975.40, 1,166,963.10 and 512,093.80

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Solution

The fourth proportional to 777,975.40, 1,166,963.10 and 512,093.80 is: 768,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,975.40 : 1,166,963.10 = 512,093.80 : x
  2. Step 2: Convert to fraction form
    777,975.40/1,166,963.10 = 512,093.80/x
  3. Step 3: Cross multiply
    777,975.40x = 1,166,963.10 × 512,093.80
  4. Step 4: Simplify right side
    777,975.40x = 597,594,568,338.78
  5. Step 5: Solve for x
    x = 597,594,568,338.78/777,975.40
  6. Step 6: Final answer
    x = 768,140.70

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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.