Home / 1,120,918.83-1,546,902.03-637,553.49

Finding the Fourth Proportional to 1,120,918.83, 1,546,902.03 and 637,553.49

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Solution

The fourth proportional to 1,120,918.83, 1,546,902.03 and 637,553.49 is: 879,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,918.83 : 1,546,902.03 = 637,553.49 : x
  2. Step 2: Convert to fraction form
    1,120,918.83/1,546,902.03 = 637,553.49/x
  3. Step 3: Cross multiply
    1,120,918.83x = 1,546,902.03 × 637,553.49
  4. Step 4: Simplify right side
    1,120,918.83x = 986,232,787,914.59
  5. Step 5: Solve for x
    x = 986,232,787,914.59/1,120,918.83
  6. Step 6: Final answer
    x = 879,843.18

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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.