Home / 1,603,663.44-2,213,110.65-878,510.98

Finding the Fourth Proportional to 1,603,663.44, 2,213,110.65 and 878,510.98

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Solution

The fourth proportional to 1,603,663.44, 2,213,110.65 and 878,510.98 is: 1,212,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,663.44 : 2,213,110.65 = 878,510.98 : x
  2. Step 2: Convert to fraction form
    1,603,663.44/2,213,110.65 = 878,510.98/x
  3. Step 3: Cross multiply
    1,603,663.44x = 2,213,110.65 × 878,510.98
  4. Step 4: Simplify right side
    1,603,663.44x = 1,944,242,005,979.94
  5. Step 5: Solve for x
    x = 1,944,242,005,979.94/1,603,663.44
  6. Step 6: Final answer
    x = 1,212,375.34

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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.