Home / 1,258,688.15-1,888,622.72-627,651.17

Finding the Fourth Proportional to 1,258,688.15, 1,888,622.72 and 627,651.17

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Solution

The fourth proportional to 1,258,688.15, 1,888,622.72 and 627,651.17 is: 941,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,688.15 : 1,888,622.72 = 627,651.17 : x
  2. Step 2: Convert to fraction form
    1,258,688.15/1,888,622.72 = 627,651.17/x
  3. Step 3: Cross multiply
    1,258,688.15x = 1,888,622.72 × 627,651.17
  4. Step 4: Simplify right side
    1,258,688.15x = 1,185,396,247,315.21
  5. Step 5: Solve for x
    x = 1,185,396,247,315.21/1,258,688.15
  6. Step 6: Final answer
    x = 941,771.20

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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.