Home / 1,781,474.80-2,672,212.20-519,343.60

Finding the Fourth Proportional to 1,781,474.80, 2,672,212.20 and 519,343.60

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Solution

The fourth proportional to 1,781,474.80, 2,672,212.20 and 519,343.60 is: 779,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,474.80 : 2,672,212.20 = 519,343.60 : x
  2. Step 2: Convert to fraction form
    1,781,474.80/2,672,212.20 = 519,343.60/x
  3. Step 3: Cross multiply
    1,781,474.80x = 2,672,212.20 × 519,343.60
  4. Step 4: Simplify right side
    1,781,474.80x = 1,387,796,303,911.92
  5. Step 5: Solve for x
    x = 1,387,796,303,911.92/1,781,474.80
  6. Step 6: Final answer
    x = 779,015.40

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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.