Home / 547,914.54-755,632.44-343,984.49

Finding the Fourth Proportional to 547,914.54, 755,632.44 and 343,984.49

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Solution

The fourth proportional to 547,914.54, 755,632.44 and 343,984.49 is: 474,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,914.54 : 755,632.44 = 343,984.49 : x
  2. Step 2: Convert to fraction form
    547,914.54/755,632.44 = 343,984.49/x
  3. Step 3: Cross multiply
    547,914.54x = 755,632.44 × 343,984.49
  4. Step 4: Simplify right side
    547,914.54x = 259,925,835,722.69
  5. Step 5: Solve for x
    x = 259,925,835,722.69/547,914.54
  6. Step 6: Final answer
    x = 474,391.20

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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.