Home / 1,368,923.16-1,887,137.82-938,521.56

Finding the Fourth Proportional to 1,368,923.16, 1,887,137.82 and 938,521.56

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Solution

The fourth proportional to 1,368,923.16, 1,887,137.82 and 938,521.56 is: 1,293,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,923.16 : 1,887,137.82 = 938,521.56 : x
  2. Step 2: Convert to fraction form
    1,368,923.16/1,887,137.82 = 938,521.56/x
  3. Step 3: Cross multiply
    1,368,923.16x = 1,887,137.82 × 938,521.56
  4. Step 4: Simplify right side
    1,368,923.16x = 1,771,119,530,761.40
  5. Step 5: Solve for x
    x = 1,771,119,530,761.40/1,368,923.16
  6. Step 6: Final answer
    x = 1,293,804.93

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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.