Home / 1,939,657.51-2,909,484.37-519,674.86

Finding the Fourth Proportional to 1,939,657.51, 2,909,484.37 and 519,674.86

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Solution

The fourth proportional to 1,939,657.51, 2,909,484.37 and 519,674.86 is: 779,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,657.51 : 2,909,484.37 = 519,674.86 : x
  2. Step 2: Convert to fraction form
    1,939,657.51/2,909,484.37 = 519,674.86/x
  3. Step 3: Cross multiply
    1,939,657.51x = 2,909,484.37 × 519,674.86
  4. Step 4: Simplify right side
    1,939,657.51x = 1,511,985,882,651.94
  5. Step 5: Solve for x
    x = 1,511,985,882,651.94/1,939,657.51
  6. Step 6: Final answer
    x = 779,511.78

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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.