Home / 628,207.94-866,933.60-341,728.76

Finding the Fourth Proportional to 628,207.94, 866,933.60 and 341,728.76

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Solution

The fourth proportional to 628,207.94, 866,933.60 and 341,728.76 is: 471,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,207.94 : 866,933.60 = 341,728.76 : x
  2. Step 2: Convert to fraction form
    628,207.94/866,933.60 = 341,728.76/x
  3. Step 3: Cross multiply
    628,207.94x = 866,933.60 × 341,728.76
  4. Step 4: Simplify right side
    628,207.94x = 296,256,138,087.02
  5. Step 5: Solve for x
    x = 296,256,138,087.02/628,207.94
  6. Step 6: Final answer
    x = 471,589.30

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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.