Home / 1,776,066.57-2,663,438.49-638,518.37

Finding the Fourth Proportional to 1,776,066.57, 2,663,438.49 and 638,518.37

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Solution

The fourth proportional to 1,776,066.57, 2,663,438.49 and 638,518.37 is: 957,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,066.57 : 2,663,438.49 = 638,518.37 : x
  2. Step 2: Convert to fraction form
    1,776,066.57/2,663,438.49 = 638,518.37/x
  3. Step 3: Cross multiply
    1,776,066.57x = 2,663,438.49 × 638,518.37
  4. Step 4: Simplify right side
    1,776,066.57x = 1,700,654,389,912.87
  5. Step 5: Solve for x
    x = 1,700,654,389,912.87/1,776,066.57
  6. Step 6: Final answer
    x = 957,539.78

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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.