Home / 701,986.71-1,053,111.32-281,295.39

Finding the Fourth Proportional to 701,986.71, 1,053,111.32 and 281,295.39

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Solution

The fourth proportional to 701,986.71, 1,053,111.32 and 281,295.39 is: 421,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,986.71 : 1,053,111.32 = 281,295.39 : x
  2. Step 2: Convert to fraction form
    701,986.71/1,053,111.32 = 281,295.39/x
  3. Step 3: Cross multiply
    701,986.71x = 1,053,111.32 × 281,295.39
  4. Step 4: Simplify right side
    701,986.71x = 296,235,359,472.82
  5. Step 5: Solve for x
    x = 296,235,359,472.82/701,986.71
  6. Step 6: Final answer
    x = 421,995.68

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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.