Home / 459,828.45-689,771.83-144,297.81

Finding the Fourth Proportional to 459,828.45, 689,771.83 and 144,297.81

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Solution

The fourth proportional to 459,828.45, 689,771.83 and 144,297.81 is: 216,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,828.45 : 689,771.83 = 144,297.81 : x
  2. Step 2: Convert to fraction form
    459,828.45/689,771.83 = 144,297.81/x
  3. Step 3: Cross multiply
    459,828.45x = 689,771.83 × 144,297.81
  4. Step 4: Simplify right side
    459,828.45x = 99,532,564,468.69
  5. Step 5: Solve for x
    x = 99,532,564,468.69/459,828.45
  6. Step 6: Final answer
    x = 216,455.86

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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.