Home / 627,237.11-865,604.96-355,304.94

Finding the Fourth Proportional to 627,237.11, 865,604.96 and 355,304.94

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Solution

The fourth proportional to 627,237.11, 865,604.96 and 355,304.94 is: 490,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,237.11 : 865,604.96 = 355,304.94 : x
  2. Step 2: Convert to fraction form
    627,237.11/865,604.96 = 355,304.94/x
  3. Step 3: Cross multiply
    627,237.11x = 865,604.96 × 355,304.94
  4. Step 4: Simplify right side
    627,237.11x = 307,553,716,684.94
  5. Step 5: Solve for x
    x = 307,553,716,684.94/627,237.11
  6. Step 6: Final answer
    x = 490,330.87

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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.