Home / 1,603,663.94-2,213,111.34-878,511.48

Finding the Fourth Proportional to 1,603,663.94, 2,213,111.34 and 878,511.48

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Solution

The fourth proportional to 1,603,663.94, 2,213,111.34 and 878,511.48 is: 1,212,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,663.94 : 2,213,111.34 = 878,511.48 : x
  2. Step 2: Convert to fraction form
    1,603,663.94/2,213,111.34 = 878,511.48/x
  3. Step 3: Cross multiply
    1,603,663.94x = 2,213,111.34 × 878,511.48
  4. Step 4: Simplify right side
    1,603,663.94x = 1,944,243,718,708.18
  5. Step 5: Solve for x
    x = 1,944,243,718,708.18/1,603,663.94
  6. Step 6: Final answer
    x = 1,212,376.03

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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.