Home / 1,293,215.43-1,939,823.16-394,661.77

Finding the Fourth Proportional to 1,293,215.43, 1,939,823.16 and 394,661.77

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Solution

The fourth proportional to 1,293,215.43, 1,939,823.16 and 394,661.77 is: 591,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,215.43 : 1,939,823.16 = 394,661.77 : x
  2. Step 2: Convert to fraction form
    1,293,215.43/1,939,823.16 = 394,661.77/x
  3. Step 3: Cross multiply
    1,293,215.43x = 1,939,823.16 × 394,661.77
  4. Step 4: Simplify right side
    1,293,215.43x = 765,574,041,812.59
  5. Step 5: Solve for x
    x = 765,574,041,812.59/1,293,215.43
  6. Step 6: Final answer
    x = 591,992.66

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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.