Home / 627,211.64-865,559.44-340,736.24

Finding the Fourth Proportional to 627,211.64, 865,559.44 and 340,736.24

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Solution

The fourth proportional to 627,211.64, 865,559.44 and 340,736.24 is: 470,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,211.64 : 865,559.44 = 340,736.24 : x
  2. Step 2: Convert to fraction form
    627,211.64/865,559.44 = 340,736.24/x
  3. Step 3: Cross multiply
    627,211.64x = 865,559.44 × 340,736.24
  4. Step 4: Simplify right side
    627,211.64x = 294,927,469,082.11
  5. Step 5: Solve for x
    x = 294,927,469,082.11/627,211.64
  6. Step 6: Final answer
    x = 470,220.02

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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.