Home / 492,066.40-738,391.20-324,068.35

Finding the Fourth Proportional to 492,066.40, 738,391.20 and 324,068.35

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Solution

The fourth proportional to 492,066.40, 738,391.20 and 324,068.35 is: 486,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,066.40 : 738,391.20 = 324,068.35 : x
  2. Step 2: Convert to fraction form
    492,066.40/738,391.20 = 324,068.35/x
  3. Step 3: Cross multiply
    492,066.40x = 738,391.20 × 324,068.35
  4. Step 4: Simplify right side
    492,066.40x = 239,289,217,838.52
  5. Step 5: Solve for x
    x = 239,289,217,838.52/492,066.40
  6. Step 6: Final answer
    x = 486,294.57

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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.