Home / 660,147.44-911,025.16-373,661.37

Finding the Fourth Proportional to 660,147.44, 911,025.16 and 373,661.37

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Solution

The fourth proportional to 660,147.44, 911,025.16 and 373,661.37 is: 515,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,147.44 : 911,025.16 = 373,661.37 : x
  2. Step 2: Convert to fraction form
    660,147.44/911,025.16 = 373,661.37/x
  3. Step 3: Cross multiply
    660,147.44x = 911,025.16 × 373,661.37
  4. Step 4: Simplify right side
    660,147.44x = 340,414,908,455.92
  5. Step 5: Solve for x
    x = 340,414,908,455.92/660,147.44
  6. Step 6: Final answer
    x = 515,664.97

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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.