Home / 627,389.96-865,796.26-340,910.92

Finding the Fourth Proportional to 627,389.96, 865,796.26 and 340,910.92

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Solution

The fourth proportional to 627,389.96, 865,796.26 and 340,910.92 is: 470,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,389.96 : 865,796.26 = 340,910.92 : x
  2. Step 2: Convert to fraction form
    627,389.96/865,796.26 = 340,910.92/x
  3. Step 3: Cross multiply
    627,389.96x = 865,796.26 × 340,910.92
  4. Step 4: Simplify right side
    627,389.96x = 295,159,399,529.16
  5. Step 5: Solve for x
    x = 295,159,399,529.16/627,389.96
  6. Step 6: Final answer
    x = 470,456.05

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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.