Home / 578,799-798,742.89-324,150.26

Finding the Fourth Proportional to 578,799, 798,742.89 and 324,150.26

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Solution

The fourth proportional to 578,799, 798,742.89 and 324,150.26 is: 447,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,799 : 798,742.89 = 324,150.26 : x
  2. Step 2: Convert to fraction form
    578,799/798,742.89 = 324,150.26/x
  3. Step 3: Cross multiply
    578,799x = 798,742.89 × 324,150.26
  4. Step 4: Simplify right side
    578,799x = 258,912,711,472.94
  5. Step 5: Solve for x
    x = 258,912,711,472.94/578,799
  6. Step 6: Final answer
    x = 447,327.50

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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.