Home / 1,431,219.91-1,975,098.73-777,845.93

Finding the Fourth Proportional to 1,431,219.91, 1,975,098.73 and 777,845.93

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Solution

The fourth proportional to 1,431,219.91, 1,975,098.73 and 777,845.93 is: 1,073,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,219.91 : 1,975,098.73 = 777,845.93 : x
  2. Step 2: Convert to fraction form
    1,431,219.91/1,975,098.73 = 777,845.93/x
  3. Step 3: Cross multiply
    1,431,219.91x = 1,975,098.73 × 777,845.93
  4. Step 4: Simplify right side
    1,431,219.91x = 1,536,322,494,713.95
  5. Step 5: Solve for x
    x = 1,536,322,494,713.95/1,431,219.91
  6. Step 6: Final answer
    x = 1,073,435.67

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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.