Home / 627,268.32-865,634.42-340,788.33

Finding the Fourth Proportional to 627,268.32, 865,634.42 and 340,788.33

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Solution

The fourth proportional to 627,268.32, 865,634.42 and 340,788.33 is: 470,290.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,268.32 : 865,634.42 = 340,788.33 : x
  2. Step 2: Convert to fraction form
    627,268.32/865,634.42 = 340,788.33/x
  3. Step 3: Cross multiply
    627,268.32x = 865,634.42 × 340,788.33
  4. Step 4: Simplify right side
    627,268.32x = 294,998,108,382.32
  5. Step 5: Solve for x
    x = 294,998,108,382.32/627,268.32
  6. Step 6: Final answer
    x = 470,290.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.