Home / 722,996.47-1,083,429.04-402,707.43

Finding the Fourth Proportional to 722,996.47, 1,083,429.04 and 402,707.43

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Solution

The fourth proportional to 722,996.47, 1,083,429.04 and 402,707.43 is: 603,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,996.47 : 1,083,429.04 = 402,707.43 : x
  2. Step 2: Convert to fraction form
    722,996.47/1,083,429.04 = 402,707.43/x
  3. Step 3: Cross multiply
    722,996.47x = 1,083,429.04 × 402,707.43
  4. Step 4: Simplify right side
    722,996.47x = 436,304,924,285.77
  5. Step 5: Solve for x
    x = 436,304,924,285.77/722,996.47
  6. Step 6: Final answer
    x = 603,467.57

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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.