Home / 490,022.84-734,050.10-223,416.61

Finding the Fourth Proportional to 490,022.84, 734,050.10 and 223,416.61

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Solution

The fourth proportional to 490,022.84, 734,050.10 and 223,416.61 is: 334,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,022.84 : 734,050.10 = 223,416.61 : x
  2. Step 2: Convert to fraction form
    490,022.84/734,050.10 = 223,416.61/x
  3. Step 3: Cross multiply
    490,022.84x = 734,050.10 × 223,416.61
  4. Step 4: Simplify right side
    490,022.84x = 163,998,983,635.58
  5. Step 5: Solve for x
    x = 163,998,983,635.58/490,022.84
  6. Step 6: Final answer
    x = 334,676.20

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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.