Home / 476,626.22-714,938.75-121,640.28

Finding the Fourth Proportional to 476,626.22, 714,938.75 and 121,640.28

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Solution

The fourth proportional to 476,626.22, 714,938.75 and 121,640.28 is: 182,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,626.22 : 714,938.75 = 121,640.28 : x
  2. Step 2: Convert to fraction form
    476,626.22/714,938.75 = 121,640.28/x
  3. Step 3: Cross multiply
    476,626.22x = 714,938.75 × 121,640.28
  4. Step 4: Simplify right side
    476,626.22x = 86,965,348,924.52
  5. Step 5: Solve for x
    x = 86,965,348,924.52/476,626.22
  6. Step 6: Final answer
    x = 182,460.27

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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.