Home / 722,168.79-1,083,165.69-367,437.39

Finding the Fourth Proportional to 722,168.79, 1,083,165.69 and 367,437.39

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Solution

The fourth proportional to 722,168.79, 1,083,165.69 and 367,437.39 is: 551,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,168.79 : 1,083,165.69 = 367,437.39 : x
  2. Step 2: Convert to fraction form
    722,168.79/1,083,165.69 = 367,437.39/x
  3. Step 3: Cross multiply
    722,168.79x = 1,083,165.69 × 367,437.39
  4. Step 4: Simplify right side
    722,168.79x = 397,995,574,071.15
  5. Step 5: Solve for x
    x = 397,995,574,071.15/722,168.79
  6. Step 6: Final answer
    x = 551,111.57

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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.