Home / 499,624.26-749,429.42-120,541.81

Finding the Fourth Proportional to 499,624.26, 749,429.42 and 120,541.81

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Solution

The fourth proportional to 499,624.26, 749,429.42 and 120,541.81 is: 180,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,624.26 : 749,429.42 = 120,541.81 : x
  2. Step 2: Convert to fraction form
    499,624.26/749,429.42 = 120,541.81/x
  3. Step 3: Cross multiply
    499,624.26x = 749,429.42 × 120,541.81
  4. Step 4: Simplify right side
    499,624.26x = 90,337,577,181.83
  5. Step 5: Solve for x
    x = 90,337,577,181.83/499,624.26
  6. Step 6: Final answer
    x = 180,811.03

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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.