Home / 1,258,696.66-1,888,635.48-627,659.68

Finding the Fourth Proportional to 1,258,696.66, 1,888,635.48 and 627,659.68

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Solution

The fourth proportional to 1,258,696.66, 1,888,635.48 and 627,659.68 is: 941,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,696.66 : 1,888,635.48 = 627,659.68 : x
  2. Step 2: Convert to fraction form
    1,258,696.66/1,888,635.48 = 627,659.68/x
  3. Step 3: Cross multiply
    1,258,696.66x = 1,888,635.48 × 627,659.68
  4. Step 4: Simplify right side
    1,258,696.66x = 1,185,420,341,013.45
  5. Step 5: Solve for x
    x = 1,185,420,341,013.45/1,258,696.66
  6. Step 6: Final answer
    x = 941,783.97

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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.