Home / 812,262.07-1,120,921.92-444,762.50

Finding the Fourth Proportional to 812,262.07, 1,120,921.92 and 444,762.50

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Solution

The fourth proportional to 812,262.07, 1,120,921.92 and 444,762.50 is: 613,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,262.07 : 1,120,921.92 = 444,762.50 : x
  2. Step 2: Convert to fraction form
    812,262.07/1,120,921.92 = 444,762.50/x
  3. Step 3: Cross multiply
    812,262.07x = 1,120,921.92 × 444,762.50
  4. Step 4: Simplify right side
    812,262.07x = 498,544,035,444.00
  5. Step 5: Solve for x
    x = 498,544,035,444.00/812,262.07
  6. Step 6: Final answer
    x = 613,772.39

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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.