Home / 763,804.49-1,053,933.12-441,452.43

Finding the Fourth Proportional to 763,804.49, 1,053,933.12 and 441,452.43

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Solution

The fourth proportional to 763,804.49, 1,053,933.12 and 441,452.43 is: 609,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,804.49 : 1,053,933.12 = 441,452.43 : x
  2. Step 2: Convert to fraction form
    763,804.49/1,053,933.12 = 441,452.43/x
  3. Step 3: Cross multiply
    763,804.49x = 1,053,933.12 × 441,452.43
  4. Step 4: Simplify right side
    763,804.49x = 465,261,336,881.48
  5. Step 5: Solve for x
    x = 465,261,336,881.48/763,804.49
  6. Step 6: Final answer
    x = 609,136.69

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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.