Home / 781,663.80-1,171,620.90-444,865.80

Finding the Fourth Proportional to 781,663.80, 1,171,620.90 and 444,865.80

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Solution

The fourth proportional to 781,663.80, 1,171,620.90 and 444,865.80 is: 666,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,663.80 : 1,171,620.90 = 444,865.80 : x
  2. Step 2: Convert to fraction form
    781,663.80/1,171,620.90 = 444,865.80/x
  3. Step 3: Cross multiply
    781,663.80x = 1,171,620.90 × 444,865.80
  4. Step 4: Simplify right side
    781,663.80x = 521,214,068,975.22
  5. Step 5: Solve for x
    x = 521,214,068,975.22/781,663.80
  6. Step 6: Final answer
    x = 666,800.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.