Home / 611,943.41-844,240.05-353,772.86

Finding the Fourth Proportional to 611,943.41, 844,240.05 and 353,772.86

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Solution

The fourth proportional to 611,943.41, 844,240.05 and 353,772.86 is: 488,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,943.41 : 844,240.05 = 353,772.86 : x
  2. Step 2: Convert to fraction form
    611,943.41/844,240.05 = 353,772.86/x
  3. Step 3: Cross multiply
    611,943.41x = 844,240.05 × 353,772.86
  4. Step 4: Simplify right side
    611,943.41x = 298,669,212,793.84
  5. Step 5: Solve for x
    x = 298,669,212,793.84/611,943.41
  6. Step 6: Final answer
    x = 488,066.72

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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.