Home / 1,263,960.64-1,895,555.40-664,596.64

Finding the Fourth Proportional to 1,263,960.64, 1,895,555.40 and 664,596.64

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Solution

The fourth proportional to 1,263,960.64, 1,895,555.40 and 664,596.64 is: 996,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,960.64 : 1,895,555.40 = 664,596.64 : x
  2. Step 2: Convert to fraction form
    1,263,960.64/1,895,555.40 = 664,596.64/x
  3. Step 3: Cross multiply
    1,263,960.64x = 1,895,555.40 × 664,596.64
  4. Step 4: Simplify right side
    1,263,960.64x = 1,259,779,749,773.86
  5. Step 5: Solve for x
    x = 1,259,779,749,773.86/1,263,960.64
  6. Step 6: Final answer
    x = 996,692.23

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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.