Home / 881,203.05-1,215,490.91-605,429.37

Finding the Fourth Proportional to 881,203.05, 1,215,490.91 and 605,429.37

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Solution

The fourth proportional to 881,203.05, 1,215,490.91 and 605,429.37 is: 835,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,203.05 : 1,215,490.91 = 605,429.37 : x
  2. Step 2: Convert to fraction form
    881,203.05/1,215,490.91 = 605,429.37/x
  3. Step 3: Cross multiply
    881,203.05x = 1,215,490.91 × 605,429.37
  4. Step 4: Simplify right side
    881,203.05x = 735,893,892,854.88
  5. Step 5: Solve for x
    x = 735,893,892,854.88/881,203.05
  6. Step 6: Final answer
    x = 835,101.39

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1.5x scale

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.