Home / 1,919,117.52-2,879,672.55-782,713.44

Finding the Fourth Proportional to 1,919,117.52, 2,879,672.55 and 782,713.44

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Solution

The fourth proportional to 1,919,117.52, 2,879,672.55 and 782,713.44 is: 1,174,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,117.52 : 2,879,672.55 = 782,713.44 : x
  2. Step 2: Convert to fraction form
    1,919,117.52/2,879,672.55 = 782,713.44/x
  3. Step 3: Cross multiply
    1,919,117.52x = 2,879,672.55 × 782,713.44
  4. Step 4: Simplify right side
    1,919,117.52x = 2,253,958,407,684.07
  5. Step 5: Solve for x
    x = 2,253,958,407,684.07/1,919,117.52
  6. Step 6: Final answer
    x = 1,174,476.49

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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.