Home / 829,076.80-1,243,615.20-731,099.20

Finding the Fourth Proportional to 829,076.80, 1,243,615.20 and 731,099.20

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Solution

The fourth proportional to 829,076.80, 1,243,615.20 and 731,099.20 is: 1,096,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076.80 : 1,243,615.20 = 731,099.20 : x
  2. Step 2: Convert to fraction form
    829,076.80/1,243,615.20 = 731,099.20/x
  3. Step 3: Cross multiply
    829,076.80x = 1,243,615.20 × 731,099.20
  4. Step 4: Simplify right side
    829,076.80x = 909,206,077,827.84
  5. Step 5: Solve for x
    x = 909,206,077,827.84/829,076.80
  6. Step 6: Final answer
    x = 1,096,648.80

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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.