Home / 682,357.20-941,697.06-395,973.60

Finding the Fourth Proportional to 682,357.20, 941,697.06 and 395,973.60

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Solution

The fourth proportional to 682,357.20, 941,697.06 and 395,973.60 is: 546,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,357.20 : 941,697.06 = 395,973.60 : x
  2. Step 2: Convert to fraction form
    682,357.20/941,697.06 = 395,973.60/x
  3. Step 3: Cross multiply
    682,357.20x = 941,697.06 × 395,973.60
  4. Step 4: Simplify right side
    682,357.20x = 372,887,174,957.62
  5. Step 5: Solve for x
    x = 372,887,174,957.62/682,357.20
  6. Step 6: Final answer
    x = 546,469.17

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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.