Home / 723,777.96-998,933.37-401,591.86

Finding the Fourth Proportional to 723,777.96, 998,933.37 and 401,591.86

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Solution

The fourth proportional to 723,777.96, 998,933.37 and 401,591.86 is: 554,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,777.96 : 998,933.37 = 401,591.86 : x
  2. Step 2: Convert to fraction form
    723,777.96/998,933.37 = 401,591.86/x
  3. Step 3: Cross multiply
    723,777.96x = 998,933.37 × 401,591.86
  4. Step 4: Simplify right side
    723,777.96x = 401,163,510,074.37
  5. Step 5: Solve for x
    x = 401,163,510,074.37/723,777.96
  6. Step 6: Final answer
    x = 554,263.23

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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.