Home / 714,272.04-1,071,408.60-215,636.04

Finding the Fourth Proportional to 714,272.04, 1,071,408.60 and 215,636.04

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Solution

The fourth proportional to 714,272.04, 1,071,408.60 and 215,636.04 is: 323,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,272.04 : 1,071,408.60 = 215,636.04 : x
  2. Step 2: Convert to fraction form
    714,272.04/1,071,408.60 = 215,636.04/x
  3. Step 3: Cross multiply
    714,272.04x = 1,071,408.60 × 215,636.04
  4. Step 4: Simplify right side
    714,272.04x = 231,034,307,725.94
  5. Step 5: Solve for x
    x = 231,034,307,725.94/714,272.04
  6. Step 6: Final answer
    x = 323,454.22

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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.