Home / 657,110.80-985,666.20-657,110.80

Finding the Fourth Proportional to 657,110.80, 985,666.20 and 657,110.80

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Solution

The fourth proportional to 657,110.80, 985,666.20 and 657,110.80 is: 985,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,110.80 : 985,666.20 = 657,110.80 : x
  2. Step 2: Convert to fraction form
    657,110.80/985,666.20 = 657,110.80/x
  3. Step 3: Cross multiply
    657,110.80x = 985,666.20 × 657,110.80
  4. Step 4: Simplify right side
    657,110.80x = 647,691,905,214.96
  5. Step 5: Solve for x
    x = 647,691,905,214.96/657,110.80
  6. Step 6: Final answer
    x = 985,666.20

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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.