Home / 1,181,060.20-1,771,244.70-422,813.80

Finding the Fourth Proportional to 1,181,060.20, 1,771,244.70 and 422,813.80

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Solution

The fourth proportional to 1,181,060.20, 1,771,244.70 and 422,813.80 is: 634,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,060.20 : 1,771,244.70 = 422,813.80 : x
  2. Step 2: Convert to fraction form
    1,181,060.20/1,771,244.70 = 422,813.80/x
  3. Step 3: Cross multiply
    1,181,060.20x = 1,771,244.70 × 422,813.80
  4. Step 4: Simplify right side
    1,181,060.20x = 748,906,702,336.86
  5. Step 5: Solve for x
    x = 748,906,702,336.86/1,181,060.20
  6. Step 6: Final answer
    x = 634,096.98

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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.