Home / 1,204,133.95-1,804,936.57-405,138.11

Finding the Fourth Proportional to 1,204,133.95, 1,804,936.57 and 405,138.11

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Solution

The fourth proportional to 1,204,133.95, 1,804,936.57 and 405,138.11 is: 607,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,133.95 : 1,804,936.57 = 405,138.11 : x
  2. Step 2: Convert to fraction form
    1,204,133.95/1,804,936.57 = 405,138.11/x
  3. Step 3: Cross multiply
    1,204,133.95x = 1,804,936.57 × 405,138.11
  4. Step 4: Simplify right side
    1,204,133.95x = 731,248,580,602.16
  5. Step 5: Solve for x
    x = 731,248,580,602.16/1,204,133.95
  6. Step 6: Final answer
    x = 607,281.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.