Home / 1,118,838.03-1,543,591.53-731,874.44

Finding the Fourth Proportional to 1,118,838.03, 1,543,591.53 and 731,874.44

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Solution

The fourth proportional to 1,118,838.03, 1,543,591.53 and 731,874.44 is: 1,009,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,838.03 : 1,543,591.53 = 731,874.44 : x
  2. Step 2: Convert to fraction form
    1,118,838.03/1,543,591.53 = 731,874.44/x
  3. Step 3: Cross multiply
    1,118,838.03x = 1,543,591.53 × 731,874.44
  4. Step 4: Simplify right side
    1,118,838.03x = 1,129,715,178,889.54
  5. Step 5: Solve for x
    x = 1,129,715,178,889.54/1,118,838.03
  6. Step 6: Final answer
    x = 1,009,721.83

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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.