Home / 1,021,144.84-1,531,716.54-459,523.24

Finding the Fourth Proportional to 1,021,144.84, 1,531,716.54 and 459,523.24

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Solution

The fourth proportional to 1,021,144.84, 1,531,716.54 and 459,523.24 is: 689,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,144.84 : 1,531,716.54 = 459,523.24 : x
  2. Step 2: Convert to fraction form
    1,021,144.84/1,531,716.54 = 459,523.24/x
  3. Step 3: Cross multiply
    1,021,144.84x = 1,531,716.54 × 459,523.24
  4. Step 4: Simplify right side
    1,021,144.84x = 703,859,347,222.39
  5. Step 5: Solve for x
    x = 703,859,347,222.39/1,021,144.84
  6. Step 6: Final answer
    x = 689,284.54

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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.