Home / 1,247,556.53-1,721,626.79-674,595.34

Finding the Fourth Proportional to 1,247,556.53, 1,721,626.79 and 674,595.34

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Solution

The fourth proportional to 1,247,556.53, 1,721,626.79 and 674,595.34 is: 930,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,556.53 : 1,721,626.79 = 674,595.34 : x
  2. Step 2: Convert to fraction form
    1,247,556.53/1,721,626.79 = 674,595.34/x
  3. Step 3: Cross multiply
    1,247,556.53x = 1,721,626.79 × 674,595.34
  4. Step 4: Simplify right side
    1,247,556.53x = 1,161,401,402,076.12
  5. Step 5: Solve for x
    x = 1,161,401,402,076.12/1,247,556.53
  6. Step 6: Final answer
    x = 930,940.90

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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.