Home / 811,851.36-1,217,634.48-250,890.72

Finding the Fourth Proportional to 811,851.36, 1,217,634.48 and 250,890.72

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Solution

The fourth proportional to 811,851.36, 1,217,634.48 and 250,890.72 is: 376,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,851.36 : 1,217,634.48 = 250,890.72 : x
  2. Step 2: Convert to fraction form
    811,851.36/1,217,634.48 = 250,890.72/x
  3. Step 3: Cross multiply
    811,851.36x = 1,217,634.48 × 250,890.72
  4. Step 4: Simplify right side
    811,851.36x = 305,493,191,384.03
  5. Step 5: Solve for x
    x = 305,493,191,384.03/811,851.36
  6. Step 6: Final answer
    x = 376,292.02

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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.