Home / 1,260,637.60-1,891,215.60-419,792.80

Finding the Fourth Proportional to 1,260,637.60, 1,891,215.60 and 419,792.80

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Solution

The fourth proportional to 1,260,637.60, 1,891,215.60 and 419,792.80 is: 629,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,637.60 : 1,891,215.60 = 419,792.80 : x
  2. Step 2: Convert to fraction form
    1,260,637.60/1,891,215.60 = 419,792.80/x
  3. Step 3: Cross multiply
    1,260,637.60x = 1,891,215.60 × 419,792.80
  4. Step 4: Simplify right side
    1,260,637.60x = 793,918,692,127.68
  5. Step 5: Solve for x
    x = 793,918,692,127.68/1,260,637.60
  6. Step 6: Final answer
    x = 629,775.51

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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.