Home / 621,067.02-931,797.45-221,699.22

Finding the Fourth Proportional to 621,067.02, 931,797.45 and 221,699.22

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Solution

The fourth proportional to 621,067.02, 931,797.45 and 221,699.22 is: 332,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,067.02 : 931,797.45 = 221,699.22 : x
  2. Step 2: Convert to fraction form
    621,067.02/931,797.45 = 221,699.22/x
  3. Step 3: Cross multiply
    621,067.02x = 931,797.45 × 221,699.22
  4. Step 4: Simplify right side
    621,067.02x = 206,578,767,862.99
  5. Step 5: Solve for x
    x = 206,578,767,862.99/621,067.02
  6. Step 6: Final answer
    x = 332,619.12

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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.