Home / 1,253,985.75-1,730,520.33-681,025.89

Finding the Fourth Proportional to 1,253,985.75, 1,730,520.33 and 681,025.89

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Solution

The fourth proportional to 1,253,985.75, 1,730,520.33 and 681,025.89 is: 939,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,985.75 : 1,730,520.33 = 681,025.89 : x
  2. Step 2: Convert to fraction form
    1,253,985.75/1,730,520.33 = 681,025.89/x
  3. Step 3: Cross multiply
    1,253,985.75x = 1,730,520.33 × 681,025.89
  4. Step 4: Simplify right side
    1,253,985.75x = 1,178,529,147,901.34
  5. Step 5: Solve for x
    x = 1,178,529,147,901.34/1,253,985.75
  6. Step 6: Final answer
    x = 939,826.59

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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.