Home / 589,990.02-814,184.73-321,718.02

Finding the Fourth Proportional to 589,990.02, 814,184.73 and 321,718.02

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Solution

The fourth proportional to 589,990.02, 814,184.73 and 321,718.02 is: 443,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,990.02 : 814,184.73 = 321,718.02 : x
  2. Step 2: Convert to fraction form
    589,990.02/814,184.73 = 321,718.02/x
  3. Step 3: Cross multiply
    589,990.02x = 814,184.73 × 321,718.02
  4. Step 4: Simplify right side
    589,990.02x = 261,937,899,249.84
  5. Step 5: Solve for x
    x = 261,937,899,249.84/589,990.02
  6. Step 6: Final answer
    x = 443,970.05

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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.