Home / 839,046.06-1,157,910.39-476,485.74

Finding the Fourth Proportional to 839,046.06, 1,157,910.39 and 476,485.74

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Solution

The fourth proportional to 839,046.06, 1,157,910.39 and 476,485.74 is: 657,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,046.06 : 1,157,910.39 = 476,485.74 : x
  2. Step 2: Convert to fraction form
    839,046.06/1,157,910.39 = 476,485.74/x
  3. Step 3: Cross multiply
    839,046.06x = 1,157,910.39 × 476,485.74
  4. Step 4: Simplify right side
    839,046.06x = 551,727,789,032.84
  5. Step 5: Solve for x
    x = 551,727,789,032.84/839,046.06
  6. Step 6: Final answer
    x = 657,565.56

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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.