Home / 904,222.62-1,246,494.96-688,989.42

Finding the Fourth Proportional to 904,222.62, 1,246,494.96 and 688,989.42

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Solution

The fourth proportional to 904,222.62, 1,246,494.96 and 688,989.42 is: 949,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,222.62 : 1,246,494.96 = 688,989.42 : x
  2. Step 2: Convert to fraction form
    904,222.62/1,246,494.96 = 688,989.42/x
  3. Step 3: Cross multiply
    904,222.62x = 1,246,494.96 × 688,989.42
  4. Step 4: Simplify right side
    904,222.62x = 858,821,839,523.32
  5. Step 5: Solve for x
    x = 858,821,839,523.32/904,222.62
  6. Step 6: Final answer
    x = 949,790.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.