Home / 548,555.24-755,323.20-480,189.56

Finding the Fourth Proportional to 548,555.24, 755,323.20 and 480,189.56

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Solution

The fourth proportional to 548,555.24, 755,323.20 and 480,189.56 is: 661,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,555.24 : 755,323.20 = 480,189.56 : x
  2. Step 2: Convert to fraction form
    548,555.24/755,323.20 = 480,189.56/x
  3. Step 3: Cross multiply
    548,555.24x = 755,323.20 × 480,189.56
  4. Step 4: Simplify right side
    548,555.24x = 362,698,315,065.79
  5. Step 5: Solve for x
    x = 362,698,315,065.79/548,555.24
  6. Step 6: Final answer
    x = 661,188.32

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1.5x scale

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.