Home / 814,856.70-1,222,285.05-768,200.70

Finding the Fourth Proportional to 814,856.70, 1,222,285.05 and 768,200.70

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Solution

The fourth proportional to 814,856.70, 1,222,285.05 and 768,200.70 is: 1,152,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,856.70 : 1,222,285.05 = 768,200.70 : x
  2. Step 2: Convert to fraction form
    814,856.70/1,222,285.05 = 768,200.70/x
  3. Step 3: Cross multiply
    814,856.70x = 1,222,285.05 × 768,200.70
  4. Step 4: Simplify right side
    814,856.70x = 938,960,231,009.54
  5. Step 5: Solve for x
    x = 938,960,231,009.54/814,856.70
  6. Step 6: Final answer
    x = 1,152,301.05

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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.