Home / 836,520.82-1,254,785.43-205,434.82

Finding the Fourth Proportional to 836,520.82, 1,254,785.43 and 205,434.82

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Solution

The fourth proportional to 836,520.82, 1,254,785.43 and 205,434.82 is: 308,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,520.82 : 1,254,785.43 = 205,434.82 : x
  2. Step 2: Convert to fraction form
    836,520.82/1,254,785.43 = 205,434.82/x
  3. Step 3: Cross multiply
    836,520.82x = 1,254,785.43 × 205,434.82
  4. Step 4: Simplify right side
    836,520.82x = 257,776,618,950.67
  5. Step 5: Solve for x
    x = 257,776,618,950.67/836,520.82
  6. Step 6: Final answer
    x = 308,153.26

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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.