Home / 839,188.06-1,258,790.88-671,772.61

Finding the Fourth Proportional to 839,188.06, 1,258,790.88 and 671,772.61

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Solution

The fourth proportional to 839,188.06, 1,258,790.88 and 671,772.61 is: 1,007,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,188.06 : 1,258,790.88 = 671,772.61 : x
  2. Step 2: Convert to fraction form
    839,188.06/1,258,790.88 = 671,772.61/x
  3. Step 3: Cross multiply
    839,188.06x = 1,258,790.88 × 671,772.61
  4. Step 4: Simplify right side
    839,188.06x = 845,621,228,135.01
  5. Step 5: Solve for x
    x = 845,621,228,135.01/839,188.06
  6. Step 6: Final answer
    x = 1,007,665.95

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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.