Home / 839,185.60-1,258,787.19-671,770.15

Finding the Fourth Proportional to 839,185.60, 1,258,787.19 and 671,770.15

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Solution

The fourth proportional to 839,185.60, 1,258,787.19 and 671,770.15 is: 1,007,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,185.60 : 1,258,787.19 = 671,770.15 : x
  2. Step 2: Convert to fraction form
    839,185.60/1,258,787.19 = 671,770.15/x
  3. Step 3: Cross multiply
    839,185.60x = 1,258,787.19 × 671,770.15
  4. Step 4: Simplify right side
    839,185.60x = 845,615,659,444.38
  5. Step 5: Solve for x
    x = 845,615,659,444.38/839,185.60
  6. Step 6: Final answer
    x = 1,007,662.26

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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.