Home / 613,090.06-845,584.97-398,299.33

Finding the Fourth Proportional to 613,090.06, 845,584.97 and 398,299.33

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Solution

The fourth proportional to 613,090.06, 845,584.97 and 398,299.33 is: 549,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,090.06 : 845,584.97 = 398,299.33 : x
  2. Step 2: Convert to fraction form
    613,090.06/845,584.97 = 398,299.33/x
  3. Step 3: Cross multiply
    613,090.06x = 845,584.97 × 398,299.33
  4. Step 4: Simplify right side
    613,090.06x = 336,795,925,890.86
  5. Step 5: Solve for x
    x = 336,795,925,890.86/613,090.06
  6. Step 6: Final answer
    x = 549,341.69

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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.