Home / 627,383.14-865,787.07-340,903.24

Finding the Fourth Proportional to 627,383.14, 865,787.07 and 340,903.24

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Solution

The fourth proportional to 627,383.14, 865,787.07 and 340,903.24 is: 470,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,383.14 : 865,787.07 = 340,903.24 : x
  2. Step 2: Convert to fraction form
    627,383.14/865,787.07 = 340,903.24/x
  3. Step 3: Cross multiply
    627,383.14x = 865,787.07 × 340,903.24
  4. Step 4: Simplify right side
    627,383.14x = 295,149,617,313.11
  5. Step 5: Solve for x
    x = 295,149,617,313.11/627,383.14
  6. Step 6: Final answer
    x = 470,445.57

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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.