Home / 459,825.45-689,767.33-144,294.81

Finding the Fourth Proportional to 459,825.45, 689,767.33 and 144,294.81

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Solution

The fourth proportional to 459,825.45, 689,767.33 and 144,294.81 is: 216,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,825.45 : 689,767.33 = 144,294.81 : x
  2. Step 2: Convert to fraction form
    459,825.45/689,767.33 = 144,294.81/x
  3. Step 3: Cross multiply
    459,825.45x = 689,767.33 × 144,294.81
  4. Step 4: Simplify right side
    459,825.45x = 99,529,845,826.56
  5. Step 5: Solve for x
    x = 99,529,845,826.56/459,825.45
  6. Step 6: Final answer
    x = 216,451.36

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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.