Home / 605,346.48-835,365.96-379,116.72

Finding the Fourth Proportional to 605,346.48, 835,365.96 and 379,116.72

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Solution

The fourth proportional to 605,346.48, 835,365.96 and 379,116.72 is: 523,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,346.48 : 835,365.96 = 379,116.72 : x
  2. Step 2: Convert to fraction form
    605,346.48/835,365.96 = 379,116.72/x
  3. Step 3: Cross multiply
    605,346.48x = 835,365.96 × 379,116.72
  4. Step 4: Simplify right side
    605,346.48x = 316,701,202,754.85
  5. Step 5: Solve for x
    x = 316,701,202,754.85/605,346.48
  6. Step 6: Final answer
    x = 523,173.44

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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.