Home / 1,342,698.35-1,852,972.62-730,821.56

Finding the Fourth Proportional to 1,342,698.35, 1,852,972.62 and 730,821.56

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Solution

The fourth proportional to 1,342,698.35, 1,852,972.62 and 730,821.56 is: 1,008,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,698.35 : 1,852,972.62 = 730,821.56 : x
  2. Step 2: Convert to fraction form
    1,342,698.35/1,852,972.62 = 730,821.56/x
  3. Step 3: Cross multiply
    1,342,698.35x = 1,852,972.62 × 730,821.56
  4. Step 4: Simplify right side
    1,342,698.35x = 1,354,192,331,520.82
  5. Step 5: Solve for x
    x = 1,354,192,331,520.82/1,342,698.35
  6. Step 6: Final answer
    x = 1,008,560.36

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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.