Home / 1,781,866.80-2,673,412.20-519,879.60

Finding the Fourth Proportional to 1,781,866.80, 2,673,412.20 and 519,879.60

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Solution

The fourth proportional to 1,781,866.80, 2,673,412.20 and 519,879.60 is: 779,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,866.80 : 2,673,412.20 = 519,879.60 : x
  2. Step 2: Convert to fraction form
    1,781,866.80/2,673,412.20 = 519,879.60/x
  3. Step 3: Cross multiply
    1,781,866.80x = 2,673,412.20 × 519,879.60
  4. Step 4: Simplify right side
    1,781,866.80x = 1,389,852,465,171.12
  5. Step 5: Solve for x
    x = 1,389,852,465,171.12/1,781,866.80
  6. Step 6: Final answer
    x = 779,997.96

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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.