Home / 1,263,772.80-1,895,659.20-885,859.20

Finding the Fourth Proportional to 1,263,772.80, 1,895,659.20 and 885,859.20

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Solution

The fourth proportional to 1,263,772.80, 1,895,659.20 and 885,859.20 is: 1,328,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,772.80 : 1,895,659.20 = 885,859.20 : x
  2. Step 2: Convert to fraction form
    1,263,772.80/1,895,659.20 = 885,859.20/x
  3. Step 3: Cross multiply
    1,263,772.80x = 1,895,659.20 × 885,859.20
  4. Step 4: Simplify right side
    1,263,772.80x = 1,679,287,142,384.64
  5. Step 5: Solve for x
    x = 1,679,287,142,384.64/1,263,772.80
  6. Step 6: Final answer
    x = 1,328,788.80

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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.