Home / 593,072.02-818,438.23-321,139.09

Finding the Fourth Proportional to 593,072.02, 818,438.23 and 321,139.09

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Solution

The fourth proportional to 593,072.02, 818,438.23 and 321,139.09 is: 443,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,072.02 : 818,438.23 = 321,139.09 : x
  2. Step 2: Convert to fraction form
    593,072.02/818,438.23 = 321,139.09/x
  3. Step 3: Cross multiply
    593,072.02x = 818,438.23 × 321,139.09
  4. Step 4: Simplify right side
    593,072.02x = 262,832,508,403.41
  5. Step 5: Solve for x
    x = 262,832,508,403.41/593,072.02
  6. Step 6: Final answer
    x = 443,171.32

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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.