Home / 637,426.64-955,917.15-188,028.21

Finding the Fourth Proportional to 637,426.64, 955,917.15 and 188,028.21

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Solution

The fourth proportional to 637,426.64, 955,917.15 and 188,028.21 is: 281,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,426.64 : 955,917.15 = 188,028.21 : x
  2. Step 2: Convert to fraction form
    637,426.64/955,917.15 = 188,028.21/x
  3. Step 3: Cross multiply
    637,426.64x = 955,917.15 × 188,028.21
  4. Step 4: Simplify right side
    637,426.64x = 179,739,390,622.80
  5. Step 5: Solve for x
    x = 179,739,390,622.80/637,426.64
  6. Step 6: Final answer
    x = 281,976.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.