Home / 1,118,500.55-1,543,039.76-755,792.27

Finding the Fourth Proportional to 1,118,500.55, 1,543,039.76 and 755,792.27

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Solution

The fourth proportional to 1,118,500.55, 1,543,039.76 and 755,792.27 is: 1,042,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,500.55 : 1,543,039.76 = 755,792.27 : x
  2. Step 2: Convert to fraction form
    1,118,500.55/1,543,039.76 = 755,792.27/x
  3. Step 3: Cross multiply
    1,118,500.55x = 1,543,039.76 × 755,792.27
  4. Step 4: Simplify right side
    1,118,500.55x = 1,166,217,511,416.50
  5. Step 5: Solve for x
    x = 1,166,217,511,416.50/1,118,500.55
  6. Step 6: Final answer
    x = 1,042,661.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.