Home / 699,365.20-1,049,174.64-289,035.19

Finding the Fourth Proportional to 699,365.20, 1,049,174.64 and 289,035.19

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Solution

The fourth proportional to 699,365.20, 1,049,174.64 and 289,035.19 is: 433,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,365.20 : 1,049,174.64 = 289,035.19 : x
  2. Step 2: Convert to fraction form
    699,365.20/1,049,174.64 = 289,035.19/x
  3. Step 3: Cross multiply
    699,365.20x = 1,049,174.64 × 289,035.19
  4. Step 4: Simplify right side
    699,365.20x = 303,248,392,245.37
  5. Step 5: Solve for x
    x = 303,248,392,245.37/699,365.20
  6. Step 6: Final answer
    x = 433,605.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.