Home / 6,876,309.45-9,489,563.13-4,123,445.07

Finding the Fourth Proportional to 6,876,309.45, 9,489,563.13 and 4,123,445.07

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Solution

The fourth proportional to 6,876,309.45, 9,489,563.13 and 4,123,445.07 is: 5,690,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,309.45 : 9,489,563.13 = 4,123,445.07 : x
  2. Step 2: Convert to fraction form
    6,876,309.45/9,489,563.13 = 4,123,445.07/x
  3. Step 3: Cross multiply
    6,876,309.45x = 9,489,563.13 × 4,123,445.07
  4. Step 4: Simplify right side
    6,876,309.45x = 39,129,692,304,852.27
  5. Step 5: Solve for x
    x = 39,129,692,304,852.27/6,876,309.45
  6. Step 6: Final answer
    x = 5,690,507.76

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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.