Home / 1,258,682.90-1,888,614.83-627,645.92

Finding the Fourth Proportional to 1,258,682.90, 1,888,614.83 and 627,645.92

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Solution

The fourth proportional to 1,258,682.90, 1,888,614.83 and 627,645.92 is: 941,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,682.90 : 1,888,614.83 = 627,645.92 : x
  2. Step 2: Convert to fraction form
    1,258,682.90/1,888,614.83 = 627,645.92/x
  3. Step 3: Cross multiply
    1,258,682.90x = 1,888,614.83 × 627,645.92
  4. Step 4: Simplify right side
    1,258,682.90x = 1,185,381,384,627.03
  5. Step 5: Solve for x
    x = 1,185,381,384,627.03/1,258,682.90
  6. Step 6: Final answer
    x = 941,763.32

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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.