Home / 679,824.68-938,180.97-373,924.72

Finding the Fourth Proportional to 679,824.68, 938,180.97 and 373,924.72

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Solution

The fourth proportional to 679,824.68, 938,180.97 and 373,924.72 is: 516,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,824.68 : 938,180.97 = 373,924.72 : x
  2. Step 2: Convert to fraction form
    679,824.68/938,180.97 = 373,924.72/x
  3. Step 3: Cross multiply
    679,824.68x = 938,180.97 × 373,924.72
  4. Step 4: Simplify right side
    679,824.68x = 350,809,053,205.52
  5. Step 5: Solve for x
    x = 350,809,053,205.52/679,824.68
  6. Step 6: Final answer
    x = 516,028.71

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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.