Home / 593,219.16-818,638.26-321,280.80

Finding the Fourth Proportional to 593,219.16, 818,638.26 and 321,280.80

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Solution

The fourth proportional to 593,219.16, 818,638.26 and 321,280.80 is: 443,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,219.16 : 818,638.26 = 321,280.80 : x
  2. Step 2: Convert to fraction form
    593,219.16/818,638.26 = 321,280.80/x
  3. Step 3: Cross multiply
    593,219.16x = 818,638.26 × 321,280.80
  4. Step 4: Simplify right side
    593,219.16x = 263,012,755,083.41
  5. Step 5: Solve for x
    x = 263,012,755,083.41/593,219.16
  6. Step 6: Final answer
    x = 443,365.24

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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.