Home / 366,628.38-505,967.31-205,535.22

Finding the Fourth Proportional to 366,628.38, 505,967.31 and 205,535.22

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Solution

The fourth proportional to 366,628.38, 505,967.31 and 205,535.22 is: 283,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,628.38 : 505,967.31 = 205,535.22 : x
  2. Step 2: Convert to fraction form
    366,628.38/505,967.31 = 205,535.22/x
  3. Step 3: Cross multiply
    366,628.38x = 505,967.31 × 205,535.22
  4. Step 4: Simplify right side
    366,628.38x = 103,994,102,373.66
  5. Step 5: Solve for x
    x = 103,994,102,373.66/366,628.38
  6. Step 6: Final answer
    x = 283,649.90

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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.