Home / 1,293,832.80-1,940,403.60-395,272.80

Finding the Fourth Proportional to 1,293,832.80, 1,940,403.60 and 395,272.80

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Solution

The fourth proportional to 1,293,832.80, 1,940,403.60 and 395,272.80 is: 592,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,832.80 : 1,940,403.60 = 395,272.80 : x
  2. Step 2: Convert to fraction form
    1,293,832.80/1,940,403.60 = 395,272.80/x
  3. Step 3: Cross multiply
    1,293,832.80x = 1,940,403.60 × 395,272.80
  4. Step 4: Simplify right side
    1,293,832.80x = 766,988,764,102.08
  5. Step 5: Solve for x
    x = 766,988,764,102.08/1,293,832.80
  6. Step 6: Final answer
    x = 592,803.62

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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.