Home / 6,419,392.68-8,858,869.50-3,479,304.36

Finding the Fourth Proportional to 6,419,392.68, 8,858,869.50 and 3,479,304.36

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Solution

The fourth proportional to 6,419,392.68, 8,858,869.50 and 3,479,304.36 is: 4,801,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,392.68 : 8,858,869.50 = 3,479,304.36 : x
  2. Step 2: Convert to fraction form
    6,419,392.68/8,858,869.50 = 3,479,304.36/x
  3. Step 3: Cross multiply
    6,419,392.68x = 8,858,869.50 × 3,479,304.36
  4. Step 4: Simplify right side
    6,419,392.68x = 30,822,703,276,021.02
  5. Step 5: Solve for x
    x = 30,822,703,276,021.02/6,419,392.68
  6. Step 6: Final answer
    x = 4,801,498.34

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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.