Home / 505,975.16-698,260.20-276,545.24

Finding the Fourth Proportional to 505,975.16, 698,260.20 and 276,545.24

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Solution

The fourth proportional to 505,975.16, 698,260.20 and 276,545.24 is: 381,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,975.16 : 698,260.20 = 276,545.24 : x
  2. Step 2: Convert to fraction form
    505,975.16/698,260.20 = 276,545.24/x
  3. Step 3: Cross multiply
    505,975.16x = 698,260.20 × 276,545.24
  4. Step 4: Simplify right side
    505,975.16x = 193,100,534,591.45
  5. Step 5: Solve for x
    x = 193,100,534,591.45/505,975.16
  6. Step 6: Final answer
    x = 381,640.34

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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.