Home / 1,199,901.22-1,655,879.39-656,037.64

Finding the Fourth Proportional to 1,199,901.22, 1,655,879.39 and 656,037.64

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Solution

The fourth proportional to 1,199,901.22, 1,655,879.39 and 656,037.64 is: 905,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,901.22 : 1,655,879.39 = 656,037.64 : x
  2. Step 2: Convert to fraction form
    1,199,901.22/1,655,879.39 = 656,037.64/x
  3. Step 3: Cross multiply
    1,199,901.22x = 1,655,879.39 × 656,037.64
  4. Step 4: Simplify right side
    1,199,901.22x = 1,086,319,207,140.24
  5. Step 5: Solve for x
    x = 1,086,319,207,140.24/1,199,901.22
  6. Step 6: Final answer
    x = 905,340.53

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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.