Home / 1,208,134.59-1,811,070.11-408,856.56

Finding the Fourth Proportional to 1,208,134.59, 1,811,070.11 and 408,856.56

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Solution

The fourth proportional to 1,208,134.59, 1,811,070.11 and 408,856.56 is: 612,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,134.59 : 1,811,070.11 = 408,856.56 : x
  2. Step 2: Convert to fraction form
    1,208,134.59/1,811,070.11 = 408,856.56/x
  3. Step 3: Cross multiply
    1,208,134.59x = 1,811,070.11 × 408,856.56
  4. Step 4: Simplify right side
    1,208,134.59x = 740,467,893,049.14
  5. Step 5: Solve for x
    x = 740,467,893,049.14/1,208,134.59
  6. Step 6: Final answer
    x = 612,901.82

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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.