Home / 1,199,187.78-1,654,900.77-655,346.49

Finding the Fourth Proportional to 1,199,187.78, 1,654,900.77 and 655,346.49

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Solution

The fourth proportional to 1,199,187.78, 1,654,900.77 and 655,346.49 is: 904,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,187.78 : 1,654,900.77 = 655,346.49 : x
  2. Step 2: Convert to fraction form
    1,199,187.78/1,654,900.77 = 655,346.49/x
  3. Step 3: Cross multiply
    1,199,187.78x = 1,654,900.77 × 655,346.49
  4. Step 4: Simplify right side
    1,199,187.78x = 1,084,533,410,917.80
  5. Step 5: Solve for x
    x = 1,084,533,410,917.80/1,199,187.78
  6. Step 6: Final answer
    x = 904,389.98

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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.