Home / 1,947,978.25-2,921,967.37-528,034.33

Finding the Fourth Proportional to 1,947,978.25, 2,921,967.37 and 528,034.33

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Solution

The fourth proportional to 1,947,978.25, 2,921,967.37 and 528,034.33 is: 792,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,978.25 : 2,921,967.37 = 528,034.33 : x
  2. Step 2: Convert to fraction form
    1,947,978.25/2,921,967.37 = 528,034.33/x
  3. Step 3: Cross multiply
    1,947,978.25x = 2,921,967.37 × 528,034.33
  4. Step 4: Simplify right side
    1,947,978.25x = 1,542,899,086,812.31
  5. Step 5: Solve for x
    x = 1,542,899,086,812.31/1,947,978.25
  6. Step 6: Final answer
    x = 792,051.50

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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.