Home / 812,262.89-1,120,923.05-444,763.31

Finding the Fourth Proportional to 812,262.89, 1,120,923.05 and 444,763.31

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Solution

The fourth proportional to 812,262.89, 1,120,923.05 and 444,763.31 is: 613,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,262.89 : 1,120,923.05 = 444,763.31 : x
  2. Step 2: Convert to fraction form
    812,262.89/1,120,923.05 = 444,763.31/x
  3. Step 3: Cross multiply
    812,262.89x = 1,120,923.05 × 444,763.31
  4. Step 4: Simplify right side
    812,262.89x = 498,545,445,973.30
  5. Step 5: Solve for x
    x = 498,545,445,973.30/812,262.89
  6. Step 6: Final answer
    x = 613,773.51

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1.5x scale

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.