Home / 589,900.79-814,132.20-335,290.25

Finding the Fourth Proportional to 589,900.79, 814,132.20 and 335,290.25

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Solution

The fourth proportional to 589,900.79, 814,132.20 and 335,290.25 is: 462,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,900.79 : 814,132.20 = 335,290.25 : x
  2. Step 2: Convert to fraction form
    589,900.79/814,132.20 = 335,290.25/x
  3. Step 3: Cross multiply
    589,900.79x = 814,132.20 × 335,290.25
  4. Step 4: Simplify right side
    589,900.79x = 272,970,584,800.39
  5. Step 5: Solve for x
    x = 272,970,584,800.39/589,900.79
  6. Step 6: Final answer
    x = 462,739.82

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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.