Home / 395,914.15-546,233.07-223,815.47

Finding the Fourth Proportional to 395,914.15, 546,233.07 and 223,815.47

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Solution

The fourth proportional to 395,914.15, 546,233.07 and 223,815.47 is: 308,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,914.15 : 546,233.07 = 223,815.47 : x
  2. Step 2: Convert to fraction form
    395,914.15/546,233.07 = 223,815.47/x
  3. Step 3: Cross multiply
    395,914.15x = 546,233.07 × 223,815.47
  4. Step 4: Simplify right side
    395,914.15x = 122,255,412,657.18
  5. Step 5: Solve for x
    x = 122,255,412,657.18/395,914.15
  6. Step 6: Final answer
    x = 308,792.74

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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.