Home / 1,621,663.73-2,237,825.64-886,603.92

Finding the Fourth Proportional to 1,621,663.73, 2,237,825.64 and 886,603.92

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Solution

The fourth proportional to 1,621,663.73, 2,237,825.64 and 886,603.92 is: 1,223,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,663.73 : 2,237,825.64 = 886,603.92 : x
  2. Step 2: Convert to fraction form
    1,621,663.73/2,237,825.64 = 886,603.92/x
  3. Step 3: Cross multiply
    1,621,663.73x = 2,237,825.64 × 886,603.92
  4. Step 4: Simplify right side
    1,621,663.73x = 1,984,064,973,511.38
  5. Step 5: Solve for x
    x = 1,984,064,973,511.38/1,621,663.73
  6. Step 6: Final answer
    x = 1,223,474.96

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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.