Home / 812,049.01-1,119,883.03-697,288.62

Finding the Fourth Proportional to 812,049.01, 1,119,883.03 and 697,288.62

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Solution

The fourth proportional to 812,049.01, 1,119,883.03 and 697,288.62 is: 961,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,049.01 : 1,119,883.03 = 697,288.62 : x
  2. Step 2: Convert to fraction form
    812,049.01/1,119,883.03 = 697,288.62/x
  3. Step 3: Cross multiply
    812,049.01x = 1,119,883.03 × 697,288.62
  4. Step 4: Simplify right side
    812,049.01x = 780,881,692,550.12
  5. Step 5: Solve for x
    x = 780,881,692,550.12/812,049.01
  6. Step 6: Final answer
    x = 961,618.92

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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.