Home / 1,163,429.69-1,745,173.69-321,988.73

Finding the Fourth Proportional to 1,163,429.69, 1,745,173.69 and 321,988.73

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Solution

The fourth proportional to 1,163,429.69, 1,745,173.69 and 321,988.73 is: 482,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,429.69 : 1,745,173.69 = 321,988.73 : x
  2. Step 2: Convert to fraction form
    1,163,429.69/1,745,173.69 = 321,988.73/x
  3. Step 3: Cross multiply
    1,163,429.69x = 1,745,173.69 × 321,988.73
  4. Step 4: Simplify right side
    1,163,429.69x = 561,926,250,541.67
  5. Step 5: Solve for x
    x = 561,926,250,541.67/1,163,429.69
  6. Step 6: Final answer
    x = 482,991.16

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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.