Home / 1,419,557.37-1,959,018.90-775,004.73

Finding the Fourth Proportional to 1,419,557.37, 1,959,018.90 and 775,004.73

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Solution

The fourth proportional to 1,419,557.37, 1,959,018.90 and 775,004.73 is: 1,069,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,557.37 : 1,959,018.90 = 775,004.73 : x
  2. Step 2: Convert to fraction form
    1,419,557.37/1,959,018.90 = 775,004.73/x
  3. Step 3: Cross multiply
    1,419,557.37x = 1,959,018.90 × 775,004.73
  4. Step 4: Simplify right side
    1,419,557.37x = 1,518,248,913,659.40
  5. Step 5: Solve for x
    x = 1,518,248,913,659.40/1,419,557.37
  6. Step 6: Final answer
    x = 1,069,522.76

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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.