Home / 1,188,448.52-1,783,217.10-514,735.88

Finding the Fourth Proportional to 1,188,448.52, 1,783,217.10 and 514,735.88

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Solution

The fourth proportional to 1,188,448.52, 1,783,217.10 and 514,735.88 is: 772,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,448.52 : 1,783,217.10 = 514,735.88 : x
  2. Step 2: Convert to fraction form
    1,188,448.52/1,783,217.10 = 514,735.88/x
  3. Step 3: Cross multiply
    1,188,448.52x = 1,783,217.10 × 514,735.88
  4. Step 4: Simplify right side
    1,188,448.52x = 917,885,823,199.55
  5. Step 5: Solve for x
    x = 917,885,823,199.55/1,188,448.52
  6. Step 6: Final answer
    x = 772,339.57

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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.