Home / 836,347.23-1,254,331.71-386,821.44

Finding the Fourth Proportional to 836,347.23, 1,254,331.71 and 386,821.44

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Solution

The fourth proportional to 836,347.23, 1,254,331.71 and 386,821.44 is: 580,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,347.23 : 1,254,331.71 = 386,821.44 : x
  2. Step 2: Convert to fraction form
    836,347.23/1,254,331.71 = 386,821.44/x
  3. Step 3: Cross multiply
    836,347.23x = 1,254,331.71 × 386,821.44
  4. Step 4: Simplify right side
    836,347.23x = 485,202,398,299.86
  5. Step 5: Solve for x
    x = 485,202,398,299.86/836,347.23
  6. Step 6: Final answer
    x = 580,144.68

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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.