Home / 871,664.02-1,200,115.65-743,826.58

Finding the Fourth Proportional to 871,664.02, 1,200,115.65 and 743,826.58

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Solution

The fourth proportional to 871,664.02, 1,200,115.65 and 743,826.58 is: 1,024,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,664.02 : 1,200,115.65 = 743,826.58 : x
  2. Step 2: Convert to fraction form
    871,664.02/1,200,115.65 = 743,826.58/x
  3. Step 3: Cross multiply
    871,664.02x = 1,200,115.65 × 743,826.58
  4. Step 4: Simplify right side
    871,664.02x = 892,677,919,543.98
  5. Step 5: Solve for x
    x = 892,677,919,543.98/871,664.02
  6. Step 6: Final answer
    x = 1,024,107.80

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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.