Home / 345,778.37-518,415.59-233,178.85

Finding the Fourth Proportional to 345,778.37, 518,415.59 and 233,178.85

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Solution

The fourth proportional to 345,778.37, 518,415.59 and 233,178.85 is: 349,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,778.37 : 518,415.59 = 233,178.85 : x
  2. Step 2: Convert to fraction form
    345,778.37/518,415.59 = 233,178.85/x
  3. Step 3: Cross multiply
    345,778.37x = 518,415.59 × 233,178.85
  4. Step 4: Simplify right side
    345,778.37x = 120,883,552,329.24
  5. Step 5: Solve for x
    x = 120,883,552,329.24/345,778.37
  6. Step 6: Final answer
    x = 349,598.36

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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.