Home / 1,511,466.71-2,085,803.58-858,086.79

Finding the Fourth Proportional to 1,511,466.71, 2,085,803.58 and 858,086.79

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Solution

The fourth proportional to 1,511,466.71, 2,085,803.58 and 858,086.79 is: 1,184,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,466.71 : 2,085,803.58 = 858,086.79 : x
  2. Step 2: Convert to fraction form
    1,511,466.71/2,085,803.58 = 858,086.79/x
  3. Step 3: Cross multiply
    1,511,466.71x = 2,085,803.58 × 858,086.79
  4. Step 4: Simplify right side
    1,511,466.71x = 1,789,800,494,242.27
  5. Step 5: Solve for x
    x = 1,789,800,494,242.27/1,511,466.71
  6. Step 6: Final answer
    x = 1,184,148.14

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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.