Home / 579,191.03-799,243.29-321,065.49

Finding the Fourth Proportional to 579,191.03, 799,243.29 and 321,065.49

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Solution

The fourth proportional to 579,191.03, 799,243.29 and 321,065.49 is: 443,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,191.03 : 799,243.29 = 321,065.49 : x
  2. Step 2: Convert to fraction form
    579,191.03/799,243.29 = 321,065.49/x
  3. Step 3: Cross multiply
    579,191.03x = 799,243.29 × 321,065.49
  4. Step 4: Simplify right side
    579,191.03x = 256,609,438,533.06
  5. Step 5: Solve for x
    x = 256,609,438,533.06/579,191.03
  6. Step 6: Final answer
    x = 443,048.02

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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.