Home / 476,405.96-657,441.33-261,559.85

Finding the Fourth Proportional to 476,405.96, 657,441.33 and 261,559.85

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Solution

The fourth proportional to 476,405.96, 657,441.33 and 261,559.85 is: 360,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,405.96 : 657,441.33 = 261,559.85 : x
  2. Step 2: Convert to fraction form
    476,405.96/657,441.33 = 261,559.85/x
  3. Step 3: Cross multiply
    476,405.96x = 657,441.33 × 261,559.85
  4. Step 4: Simplify right side
    476,405.96x = 171,960,251,390.54
  5. Step 5: Solve for x
    x = 171,960,251,390.54/476,405.96
  6. Step 6: Final answer
    x = 360,953.19

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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.