Home / 993,535.18-1,371,111.62-558,029.15

Finding the Fourth Proportional to 993,535.18, 1,371,111.62 and 558,029.15

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Solution

The fourth proportional to 993,535.18, 1,371,111.62 and 558,029.15 is: 770,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,535.18 : 1,371,111.62 = 558,029.15 : x
  2. Step 2: Convert to fraction form
    993,535.18/1,371,111.62 = 558,029.15/x
  3. Step 3: Cross multiply
    993,535.18x = 1,371,111.62 × 558,029.15
  4. Step 4: Simplify right side
    993,535.18x = 765,120,251,863.72
  5. Step 5: Solve for x
    x = 765,120,251,863.72/993,535.18
  6. Step 6: Final answer
    x = 770,098.81

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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.