Home / 1,079,448.85-1,489,014.94-697,475.63

Finding the Fourth Proportional to 1,079,448.85, 1,489,014.94 and 697,475.63

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Solution

The fourth proportional to 1,079,448.85, 1,489,014.94 and 697,475.63 is: 962,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,448.85 : 1,489,014.94 = 697,475.63 : x
  2. Step 2: Convert to fraction form
    1,079,448.85/1,489,014.94 = 697,475.63/x
  3. Step 3: Cross multiply
    1,079,448.85x = 1,489,014.94 × 697,475.63
  4. Step 4: Simplify right side
    1,079,448.85x = 1,038,551,633,355.91
  5. Step 5: Solve for x
    x = 1,038,551,633,355.91/1,079,448.85
  6. Step 6: Final answer
    x = 962,112.87

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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.