Home / 1,663,396.17-2,295,485.15-899,447.91

Finding the Fourth Proportional to 1,663,396.17, 2,295,485.15 and 899,447.91

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Solution

The fourth proportional to 1,663,396.17, 2,295,485.15 and 899,447.91 is: 1,241,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,396.17 : 2,295,485.15 = 899,447.91 : x
  2. Step 2: Convert to fraction form
    1,663,396.17/2,295,485.15 = 899,447.91/x
  3. Step 3: Cross multiply
    1,663,396.17x = 2,295,485.15 × 899,447.91
  4. Step 4: Simplify right side
    1,663,396.17x = 2,064,669,320,603.54
  5. Step 5: Solve for x
    x = 2,064,669,320,603.54/1,663,396.17
  6. Step 6: Final answer
    x = 1,241,237.27

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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.