Home / 1,079,448.79-1,489,014.85-697,475.58

Finding the Fourth Proportional to 1,079,448.79, 1,489,014.85 and 697,475.58

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Solution

The fourth proportional to 1,079,448.79, 1,489,014.85 and 697,475.58 is: 962,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,448.79 : 1,489,014.85 = 697,475.58 : x
  2. Step 2: Convert to fraction form
    1,079,448.79/1,489,014.85 = 697,475.58/x
  3. Step 3: Cross multiply
    1,079,448.79x = 1,489,014.85 × 697,475.58
  4. Step 4: Simplify right side
    1,079,448.79x = 1,038,551,496,132.36
  5. Step 5: Solve for x
    x = 1,038,551,496,132.36/1,079,448.79
  6. Step 6: Final answer
    x = 962,112.80

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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.