Home / 812,048.01-1,119,881.66-697,287.62

Finding the Fourth Proportional to 812,048.01, 1,119,881.66 and 697,287.62

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Solution

The fourth proportional to 812,048.01, 1,119,881.66 and 697,287.62 is: 961,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,048.01 : 1,119,881.66 = 697,287.62 : x
  2. Step 2: Convert to fraction form
    812,048.01/1,119,881.66 = 697,287.62/x
  3. Step 3: Cross multiply
    812,048.01x = 1,119,881.66 × 697,287.62
  4. Step 4: Simplify right side
    812,048.01x = 780,879,608,297.20
  5. Step 5: Solve for x
    x = 780,879,608,297.20/812,048.01
  6. Step 6: Final answer
    x = 961,617.54

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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.