Home / 476,559.38-657,799.56-306,793.50

Finding the Fourth Proportional to 476,559.38, 657,799.56 and 306,793.50

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Solution

The fourth proportional to 476,559.38, 657,799.56 and 306,793.50 is: 423,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,559.38 : 657,799.56 = 306,793.50 : x
  2. Step 2: Convert to fraction form
    476,559.38/657,799.56 = 306,793.50/x
  3. Step 3: Cross multiply
    476,559.38x = 657,799.56 × 306,793.50
  4. Step 4: Simplify right side
    476,559.38x = 201,808,629,310.86
  5. Step 5: Solve for x
    x = 201,808,629,310.86/476,559.38
  6. Step 6: Final answer
    x = 423,470.06

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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.