Home / 591,401.20-885,789.60-457,556.80

Finding the Fourth Proportional to 591,401.20, 885,789.60 and 457,556.80

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Solution

The fourth proportional to 591,401.20, 885,789.60 and 457,556.80 is: 685,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,401.20 : 885,789.60 = 457,556.80 : x
  2. Step 2: Convert to fraction form
    591,401.20/885,789.60 = 457,556.80/x
  3. Step 3: Cross multiply
    591,401.20x = 885,789.60 × 457,556.80
  4. Step 4: Simplify right side
    591,401.20x = 405,299,054,849.28
  5. Step 5: Solve for x
    x = 405,299,054,849.28/591,401.20
  6. Step 6: Final answer
    x = 685,319.97

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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.