Home / 657,845.04-986,791.20-337,910.64

Finding the Fourth Proportional to 657,845.04, 986,791.20 and 337,910.64

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Solution

The fourth proportional to 657,845.04, 986,791.20 and 337,910.64 is: 506,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,845.04 : 986,791.20 = 337,910.64 : x
  2. Step 2: Convert to fraction form
    657,845.04/986,791.20 = 337,910.64/x
  3. Step 3: Cross multiply
    657,845.04x = 986,791.20 × 337,910.64
  4. Step 4: Simplify right side
    657,845.04x = 333,447,245,938.37
  5. Step 5: Solve for x
    x = 333,447,245,938.37/657,845.04
  6. Step 6: Final answer
    x = 506,878.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.