Home / 476,008.45-656,934.15-261,190.33

Finding the Fourth Proportional to 476,008.45, 656,934.15 and 261,190.33

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Solution

The fourth proportional to 476,008.45, 656,934.15 and 261,190.33 is: 360,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,008.45 : 656,934.15 = 261,190.33 : x
  2. Step 2: Convert to fraction form
    476,008.45/656,934.15 = 261,190.33/x
  3. Step 3: Cross multiply
    476,008.45x = 656,934.15 × 261,190.33
  4. Step 4: Simplify right side
    476,008.45x = 171,584,847,426.77
  5. Step 5: Solve for x
    x = 171,584,847,426.77/476,008.45
  6. Step 6: Final answer
    x = 360,465.97

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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.