Home / 1,669,288.24-2,503,958.32-407,139.76

Finding the Fourth Proportional to 1,669,288.24, 2,503,958.32 and 407,139.76

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Solution

The fourth proportional to 1,669,288.24, 2,503,958.32 and 407,139.76 is: 610,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,288.24 : 2,503,958.32 = 407,139.76 : x
  2. Step 2: Convert to fraction form
    1,669,288.24/2,503,958.32 = 407,139.76/x
  3. Step 3: Cross multiply
    1,669,288.24x = 2,503,958.32 × 407,139.76
  4. Step 4: Simplify right side
    1,669,288.24x = 1,019,460,989,454.80
  5. Step 5: Solve for x
    x = 1,019,460,989,454.80/1,669,288.24
  6. Step 6: Final answer
    x = 610,715.97

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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.