Home / 763,396.89-1,053,617.29-441,293.70

Finding the Fourth Proportional to 763,396.89, 1,053,617.29 and 441,293.70

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Solution

The fourth proportional to 763,396.89, 1,053,617.29 and 441,293.70 is: 609,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,396.89 : 1,053,617.29 = 441,293.70 : x
  2. Step 2: Convert to fraction form
    763,396.89/1,053,617.29 = 441,293.70/x
  3. Step 3: Cross multiply
    763,396.89x = 1,053,617.29 × 441,293.70
  4. Step 4: Simplify right side
    763,396.89x = 464,954,675,135.90
  5. Step 5: Solve for x
    x = 464,954,675,135.90/763,396.89
  6. Step 6: Final answer
    x = 609,060.22

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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.