Home / 439,349.22-606,185.64-258,003.18

Finding the Fourth Proportional to 439,349.22, 606,185.64 and 258,003.18

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Solution

The fourth proportional to 439,349.22, 606,185.64 and 258,003.18 is: 355,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,349.22 : 606,185.64 = 258,003.18 : x
  2. Step 2: Convert to fraction form
    439,349.22/606,185.64 = 258,003.18/x
  3. Step 3: Cross multiply
    439,349.22x = 606,185.64 × 258,003.18
  4. Step 4: Simplify right side
    439,349.22x = 156,397,822,790.34
  5. Step 5: Solve for x
    x = 156,397,822,790.34/439,349.22
  6. Step 6: Final answer
    x = 355,976.10

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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.