Home / 6,629,472.57-9,148,766.64-3,913,218.57

Finding the Fourth Proportional to 6,629,472.57, 9,148,766.64 and 3,913,218.57

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Solution

The fourth proportional to 6,629,472.57, 9,148,766.64 and 3,913,218.57 is: 5,400,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,472.57 : 9,148,766.64 = 3,913,218.57 : x
  2. Step 2: Convert to fraction form
    6,629,472.57/9,148,766.64 = 3,913,218.57/x
  3. Step 3: Cross multiply
    6,629,472.57x = 9,148,766.64 × 3,913,218.57
  4. Step 4: Simplify right side
    6,629,472.57x = 35,801,123,508,244.51
  5. Step 5: Solve for x
    x = 35,801,123,508,244.51/6,629,472.57
  6. Step 6: Final answer
    x = 5,400,297.40

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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.