Home / 649,540.85-974,311.74-176,226.17

Finding the Fourth Proportional to 649,540.85, 974,311.74 and 176,226.17

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Solution

The fourth proportional to 649,540.85, 974,311.74 and 176,226.17 is: 264,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,540.85 : 974,311.74 = 176,226.17 : x
  2. Step 2: Convert to fraction form
    649,540.85/974,311.74 = 176,226.17/x
  3. Step 3: Cross multiply
    649,540.85x = 974,311.74 × 176,226.17
  4. Step 4: Simplify right side
    649,540.85x = 171,699,221,454.68
  5. Step 5: Solve for x
    x = 171,699,221,454.68/649,540.85
  6. Step 6: Final answer
    x = 264,339.38

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Double scale
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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.