Home / 681,152.70-1,019,979.45-540,018.30

Finding the Fourth Proportional to 681,152.70, 1,019,979.45 and 540,018.30

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Solution

The fourth proportional to 681,152.70, 1,019,979.45 and 540,018.30 is: 808,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,152.70 : 1,019,979.45 = 540,018.30 : x
  2. Step 2: Convert to fraction form
    681,152.70/1,019,979.45 = 540,018.30/x
  3. Step 3: Cross multiply
    681,152.70x = 1,019,979.45 × 540,018.30
  4. Step 4: Simplify right side
    681,152.70x = 550,807,568,623.94
  5. Step 5: Solve for x
    x = 550,807,568,623.94/681,152.70
  6. Step 6: Final answer
    x = 808,640.37

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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.