Home / 1,419,201.74-2,129,141.55-472,580.66

Finding the Fourth Proportional to 1,419,201.74, 2,129,141.55 and 472,580.66

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Solution

The fourth proportional to 1,419,201.74, 2,129,141.55 and 472,580.66 is: 708,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,201.74 : 2,129,141.55 = 472,580.66 : x
  2. Step 2: Convert to fraction form
    1,419,201.74/2,129,141.55 = 472,580.66/x
  3. Step 3: Cross multiply
    1,419,201.74x = 2,129,141.55 × 472,580.66
  4. Step 4: Simplify right side
    1,419,201.74x = 1,006,191,118,932.42
  5. Step 5: Solve for x
    x = 1,006,191,118,932.42/1,419,201.74
  6. Step 6: Final answer
    x = 708,983.85

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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.