Home / 1,559,799.40-2,336,199.90-1,279,863.40

Finding the Fourth Proportional to 1,559,799.40, 2,336,199.90 and 1,279,863.40

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Solution

The fourth proportional to 1,559,799.40, 2,336,199.90 and 1,279,863.40 is: 1,916,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,799.40 : 2,336,199.90 = 1,279,863.40 : x
  2. Step 2: Convert to fraction form
    1,559,799.40/2,336,199.90 = 1,279,863.40/x
  3. Step 3: Cross multiply
    1,559,799.40x = 2,336,199.90 × 1,279,863.40
  4. Step 4: Simplify right side
    1,559,799.40x = 2,990,016,747,093.66
  5. Step 5: Solve for x
    x = 2,990,016,747,093.66/1,559,799.40
  6. Step 6: Final answer
    x = 1,916,923.90

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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.