Home / 1,258,685.15-1,888,618.21-627,648.17

Finding the Fourth Proportional to 1,258,685.15, 1,888,618.21 and 627,648.17

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Solution

The fourth proportional to 1,258,685.15, 1,888,618.21 and 627,648.17 is: 941,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,685.15 : 1,888,618.21 = 627,648.17 : x
  2. Step 2: Convert to fraction form
    1,258,685.15/1,888,618.21 = 627,648.17/x
  3. Step 3: Cross multiply
    1,258,685.15x = 1,888,618.21 × 627,648.17
  4. Step 4: Simplify right side
    1,258,685.15x = 1,185,387,752,322.96
  5. Step 5: Solve for x
    x = 1,185,387,752,322.96/1,258,685.15
  6. Step 6: Final answer
    x = 941,766.70

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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.