Home / 1,332,378.56-1,998,549.38-321,492.08

Finding the Fourth Proportional to 1,332,378.56, 1,998,549.38 and 321,492.08

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Solution

The fourth proportional to 1,332,378.56, 1,998,549.38 and 321,492.08 is: 482,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,378.56 : 1,998,549.38 = 321,492.08 : x
  2. Step 2: Convert to fraction form
    1,332,378.56/1,998,549.38 = 321,492.08/x
  3. Step 3: Cross multiply
    1,332,378.56x = 1,998,549.38 × 321,492.08
  4. Step 4: Simplify right side
    1,332,378.56x = 642,517,797,158.91
  5. Step 5: Solve for x
    x = 642,517,797,158.91/1,332,378.56
  6. Step 6: Final answer
    x = 482,233.67

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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.