Home / 613,086.46-845,580.01-398,295.73

Finding the Fourth Proportional to 613,086.46, 845,580.01 and 398,295.73

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Solution

The fourth proportional to 613,086.46, 845,580.01 and 398,295.73 is: 549,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,086.46 : 845,580.01 = 398,295.73 : x
  2. Step 2: Convert to fraction form
    613,086.46/845,580.01 = 398,295.73/x
  3. Step 3: Cross multiply
    613,086.46x = 845,580.01 × 398,295.73
  4. Step 4: Simplify right side
    613,086.46x = 336,790,907,356.36
  5. Step 5: Solve for x
    x = 336,790,907,356.36/613,086.46
  6. Step 6: Final answer
    x = 549,336.72

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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.