Home / 1,131,467.68-1,561,294.56-648,004.06

Finding the Fourth Proportional to 1,131,467.68, 1,561,294.56 and 648,004.06

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Solution

The fourth proportional to 1,131,467.68, 1,561,294.56 and 648,004.06 is: 894,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,467.68 : 1,561,294.56 = 648,004.06 : x
  2. Step 2: Convert to fraction form
    1,131,467.68/1,561,294.56 = 648,004.06/x
  3. Step 3: Cross multiply
    1,131,467.68x = 1,561,294.56 × 648,004.06
  4. Step 4: Simplify right side
    1,131,467.68x = 1,011,725,213,735.91
  5. Step 5: Solve for x
    x = 1,011,725,213,735.91/1,131,467.68
  6. Step 6: Final answer
    x = 894,170.67

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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.