Home / 744,173.76-1,116,240.48-211,731.36

Finding the Fourth Proportional to 744,173.76, 1,116,240.48 and 211,731.36

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Solution

The fourth proportional to 744,173.76, 1,116,240.48 and 211,731.36 is: 317,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,173.76 : 1,116,240.48 = 211,731.36 : x
  2. Step 2: Convert to fraction form
    744,173.76/1,116,240.48 = 211,731.36/x
  3. Step 3: Cross multiply
    744,173.76x = 1,116,240.48 × 211,731.36
  4. Step 4: Simplify right side
    744,173.76x = 236,343,114,917.45
  5. Step 5: Solve for x
    x = 236,343,114,917.45/744,173.76
  6. Step 6: Final answer
    x = 317,591.30

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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.