Home / 476,286.30-657,281.91-261,422.46

Finding the Fourth Proportional to 476,286.30, 657,281.91 and 261,422.46

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Solution

The fourth proportional to 476,286.30, 657,281.91 and 261,422.46 is: 360,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,286.30 : 657,281.91 = 261,422.46 : x
  2. Step 2: Convert to fraction form
    476,286.30/657,281.91 = 261,422.46/x
  3. Step 3: Cross multiply
    476,286.30x = 657,281.91 × 261,422.46
  4. Step 4: Simplify right side
    476,286.30x = 171,828,253,825.70
  5. Step 5: Solve for x
    x = 171,828,253,825.70/476,286.30
  6. Step 6: Final answer
    x = 360,766.74

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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.