Home / 779,180.83-1,169,489.71-395,199.14

Finding the Fourth Proportional to 779,180.83, 1,169,489.71 and 395,199.14

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Solution

The fourth proportional to 779,180.83, 1,169,489.71 and 395,199.14 is: 593,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,180.83 : 1,169,489.71 = 395,199.14 : x
  2. Step 2: Convert to fraction form
    779,180.83/1,169,489.71 = 395,199.14/x
  3. Step 3: Cross multiply
    779,180.83x = 1,169,489.71 × 395,199.14
  4. Step 4: Simplify right side
    779,180.83x = 462,181,325,543.92
  5. Step 5: Solve for x
    x = 462,181,325,543.92/779,180.83
  6. Step 6: Final answer
    x = 593,163.11

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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.