Home / 839,122.57-1,157,990.61-476,546.35

Finding the Fourth Proportional to 839,122.57, 1,157,990.61 and 476,546.35

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Solution

The fourth proportional to 839,122.57, 1,157,990.61 and 476,546.35 is: 657,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,122.57 : 1,157,990.61 = 476,546.35 : x
  2. Step 2: Convert to fraction form
    839,122.57/1,157,990.61 = 476,546.35/x
  3. Step 3: Cross multiply
    839,122.57x = 1,157,990.61 × 476,546.35
  4. Step 4: Simplify right side
    839,122.57x = 551,836,198,529.77
  5. Step 5: Solve for x
    x = 551,836,198,529.77/839,122.57
  6. Step 6: Final answer
    x = 657,634.79

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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.