Home / 395,291.26-544,987.20-251,999.02

Finding the Fourth Proportional to 395,291.26, 544,987.20 and 251,999.02

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Solution

The fourth proportional to 395,291.26, 544,987.20 and 251,999.02 is: 347,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,291.26 : 544,987.20 = 251,999.02 : x
  2. Step 2: Convert to fraction form
    395,291.26/544,987.20 = 251,999.02/x
  3. Step 3: Cross multiply
    395,291.26x = 544,987.20 × 251,999.02
  4. Step 4: Simplify right side
    395,291.26x = 137,336,240,312.54
  5. Step 5: Solve for x
    x = 137,336,240,312.54/395,291.26
  6. Step 6: Final answer
    x = 347,430.50

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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.