Home / 476,615.48-714,922.88-121,629.60

Finding the Fourth Proportional to 476,615.48, 714,922.88 and 121,629.60

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Solution

The fourth proportional to 476,615.48, 714,922.88 and 121,629.60 is: 182,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,615.48 : 714,922.88 = 121,629.60 : x
  2. Step 2: Convert to fraction form
    476,615.48/714,922.88 = 121,629.60/x
  3. Step 3: Cross multiply
    476,615.48x = 714,922.88 × 121,629.60
  4. Step 4: Simplify right side
    476,615.48x = 86,955,783,317.10
  5. Step 5: Solve for x
    x = 86,955,783,317.10/476,615.48
  6. Step 6: Final answer
    x = 182,444.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.