Home / 811,777.90-1,217,675.22-362,521.66

Finding the Fourth Proportional to 811,777.90, 1,217,675.22 and 362,521.66

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Solution

The fourth proportional to 811,777.90, 1,217,675.22 and 362,521.66 is: 543,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,777.90 : 1,217,675.22 = 362,521.66 : x
  2. Step 2: Convert to fraction form
    811,777.90/1,217,675.22 = 362,521.66/x
  3. Step 3: Cross multiply
    811,777.90x = 1,217,675.22 × 362,521.66
  4. Step 4: Simplify right side
    811,777.90x = 441,433,642,095.27
  5. Step 5: Solve for x
    x = 441,433,642,095.27/811,777.90
  6. Step 6: Final answer
    x = 543,786.23

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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.