Home / 1,364,811.86-2,047,143.96-418,185.32

Finding the Fourth Proportional to 1,364,811.86, 2,047,143.96 and 418,185.32

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Solution

The fourth proportional to 1,364,811.86, 2,047,143.96 and 418,185.32 is: 627,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,811.86 : 2,047,143.96 = 418,185.32 : x
  2. Step 2: Convert to fraction form
    1,364,811.86/2,047,143.96 = 418,185.32/x
  3. Step 3: Cross multiply
    1,364,811.86x = 2,047,143.96 × 418,185.32
  4. Step 4: Simplify right side
    1,364,811.86x = 856,085,551,998.67
  5. Step 5: Solve for x
    x = 856,085,551,998.67/1,364,811.86
  6. Step 6: Final answer
    x = 627,255.36

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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.