Home / 476,191.14-657,141.78-261,334.74

Finding the Fourth Proportional to 476,191.14, 657,141.78 and 261,334.74

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Solution

The fourth proportional to 476,191.14, 657,141.78 and 261,334.74 is: 360,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,191.14 : 657,141.78 = 261,334.74 : x
  2. Step 2: Convert to fraction form
    476,191.14/657,141.78 = 261,334.74/x
  3. Step 3: Cross multiply
    476,191.14x = 657,141.78 × 261,334.74
  4. Step 4: Simplify right side
    476,191.14x = 171,733,976,219.44
  5. Step 5: Solve for x
    x = 171,733,976,219.44/476,191.14
  6. Step 6: Final answer
    x = 360,640.85

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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.