Home / 627,207.63-865,553.91-340,732.23

Finding the Fourth Proportional to 627,207.63, 865,553.91 and 340,732.23

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Solution

The fourth proportional to 627,207.63, 865,553.91 and 340,732.23 is: 470,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,207.63 : 865,553.91 = 340,732.23 : x
  2. Step 2: Convert to fraction form
    627,207.63/865,553.91 = 340,732.23/x
  3. Step 3: Cross multiply
    627,207.63x = 865,553.91 × 340,732.23
  4. Step 4: Simplify right side
    627,207.63x = 294,922,113,939.52
  5. Step 5: Solve for x
    x = 294,922,113,939.52/627,207.63
  6. Step 6: Final answer
    x = 470,214.49

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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.