Home / 1,285,936.16-1,775,051.16-877,745.84

Finding the Fourth Proportional to 1,285,936.16, 1,775,051.16 and 877,745.84

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Solution

The fourth proportional to 1,285,936.16, 1,775,051.16 and 877,745.84 is: 1,211,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,936.16 : 1,775,051.16 = 877,745.84 : x
  2. Step 2: Convert to fraction form
    1,285,936.16/1,775,051.16 = 877,745.84/x
  3. Step 3: Cross multiply
    1,285,936.16x = 1,775,051.16 × 877,745.84
  4. Step 4: Simplify right side
    1,285,936.16x = 1,558,043,771,477.17
  5. Step 5: Solve for x
    x = 1,558,043,771,477.17/1,285,936.16
  6. Step 6: Final answer
    x = 1,211,602.74

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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.