Home / 1,263,700.08-1,897,231.68-665,081.64

Finding the Fourth Proportional to 1,263,700.08, 1,897,231.68 and 665,081.64

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Solution

The fourth proportional to 1,263,700.08, 1,897,231.68 and 665,081.64 is: 998,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,700.08 : 1,897,231.68 = 665,081.64 : x
  2. Step 2: Convert to fraction form
    1,263,700.08/1,897,231.68 = 665,081.64/x
  3. Step 3: Cross multiply
    1,263,700.08x = 1,897,231.68 × 665,081.64
  4. Step 4: Simplify right side
    1,263,700.08x = 1,261,813,957,194.36
  5. Step 5: Solve for x
    x = 1,261,813,957,194.36/1,263,700.08
  6. Step 6: Final answer
    x = 998,507.46

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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.