Home / 812,191.92-1,120,838.06-444,662.88

Finding the Fourth Proportional to 812,191.92, 1,120,838.06 and 444,662.88

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Solution

The fourth proportional to 812,191.92, 1,120,838.06 and 444,662.88 is: 613,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,191.92 : 1,120,838.06 = 444,662.88 : x
  2. Step 2: Convert to fraction form
    812,191.92/1,120,838.06 = 444,662.88/x
  3. Step 3: Cross multiply
    812,191.92x = 1,120,838.06 × 444,662.88
  4. Step 4: Simplify right side
    812,191.92x = 498,395,071,945.71
  5. Step 5: Solve for x
    x = 498,395,071,945.71/812,191.92
  6. Step 6: Final answer
    x = 613,642.00

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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.