Home / 627,215.91-865,558.98-340,736.24

Finding the Fourth Proportional to 627,215.91, 865,558.98 and 340,736.24

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Solution

The fourth proportional to 627,215.91, 865,558.98 and 340,736.24 is: 470,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,215.91 : 865,558.98 = 340,736.24 : x
  2. Step 2: Convert to fraction form
    627,215.91/865,558.98 = 340,736.24/x
  3. Step 3: Cross multiply
    627,215.91x = 865,558.98 × 340,736.24
  4. Step 4: Simplify right side
    627,215.91x = 294,927,308,015.64
  5. Step 5: Solve for x
    x = 294,927,308,015.64/627,215.91
  6. Step 6: Final answer
    x = 470,216.56

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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.