Home / 1,635,377.72-2,453,910.86-782,276.61

Finding the Fourth Proportional to 1,635,377.72, 2,453,910.86 and 782,276.61

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Solution

The fourth proportional to 1,635,377.72, 2,453,910.86 and 782,276.61 is: 1,173,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,377.72 : 2,453,910.86 = 782,276.61 : x
  2. Step 2: Convert to fraction form
    1,635,377.72/2,453,910.86 = 782,276.61/x
  3. Step 3: Cross multiply
    1,635,377.72x = 2,453,910.86 × 782,276.61
  4. Step 4: Simplify right side
    1,635,377.72x = 1,919,637,069,759.03
  5. Step 5: Solve for x
    x = 1,919,637,069,759.03/1,635,377.72
  6. Step 6: Final answer
    x = 1,173,818.77

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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.