Home / 683,536.48-943,307.32-393,147.58

Finding the Fourth Proportional to 683,536.48, 943,307.32 and 393,147.58

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Solution

The fourth proportional to 683,536.48, 943,307.32 and 393,147.58 is: 542,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,536.48 : 943,307.32 = 393,147.58 : x
  2. Step 2: Convert to fraction form
    683,536.48/943,307.32 = 393,147.58/x
  3. Step 3: Cross multiply
    683,536.48x = 943,307.32 × 393,147.58
  4. Step 4: Simplify right side
    683,536.48x = 370,858,992,707.72
  5. Step 5: Solve for x
    x = 370,858,992,707.72/683,536.48
  6. Step 6: Final answer
    x = 542,559.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.