Home / 1,320,594.23-1,980,161.43-409,524.05

Finding the Fourth Proportional to 1,320,594.23, 1,980,161.43 and 409,524.05

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Solution

The fourth proportional to 1,320,594.23, 1,980,161.43 and 409,524.05 is: 614,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,594.23 : 1,980,161.43 = 409,524.05 : x
  2. Step 2: Convert to fraction form
    1,320,594.23/1,980,161.43 = 409,524.05/x
  3. Step 3: Cross multiply
    1,320,594.23x = 1,980,161.43 × 409,524.05
  4. Step 4: Simplify right side
    1,320,594.23x = 810,923,728,467.39
  5. Step 5: Solve for x
    x = 810,923,728,467.39/1,320,594.23
  6. Step 6: Final answer
    x = 614,059.72

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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.