Home / 1,239,507.56-1,860,047.85-529,540.94

Finding the Fourth Proportional to 1,239,507.56, 1,860,047.85 and 529,540.94

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Solution

The fourth proportional to 1,239,507.56, 1,860,047.85 and 529,540.94 is: 794,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,507.56 : 1,860,047.85 = 529,540.94 : x
  2. Step 2: Convert to fraction form
    1,239,507.56/1,860,047.85 = 529,540.94/x
  3. Step 3: Cross multiply
    1,239,507.56x = 1,860,047.85 × 529,540.94
  4. Step 4: Simplify right side
    1,239,507.56x = 984,971,493,569.88
  5. Step 5: Solve for x
    x = 984,971,493,569.88/1,239,507.56
  6. Step 6: Final answer
    x = 794,647.43

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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.