Home / 628,939.20-943,556.34-179,666.48

Finding the Fourth Proportional to 628,939.20, 943,556.34 and 179,666.48

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Solution

The fourth proportional to 628,939.20, 943,556.34 and 179,666.48 is: 269,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,939.20 : 943,556.34 = 179,666.48 : x
  2. Step 2: Convert to fraction form
    628,939.20/943,556.34 = 179,666.48/x
  3. Step 3: Cross multiply
    628,939.20x = 943,556.34 × 179,666.48
  4. Step 4: Simplify right side
    628,939.20x = 169,525,446,289.48
  5. Step 5: Solve for x
    x = 169,525,446,289.48/628,939.20
  6. Step 6: Final answer
    x = 269,541.87

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1.5x scale

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.