Home / 1,973,266.80-2,959,900.20-774,790.80

Finding the Fourth Proportional to 1,973,266.80, 2,959,900.20 and 774,790.80

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Solution

The fourth proportional to 1,973,266.80, 2,959,900.20 and 774,790.80 is: 1,162,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,266.80 : 2,959,900.20 = 774,790.80 : x
  2. Step 2: Convert to fraction form
    1,973,266.80/2,959,900.20 = 774,790.80/x
  3. Step 3: Cross multiply
    1,973,266.80x = 2,959,900.20 × 774,790.80
  4. Step 4: Simplify right side
    1,973,266.80x = 2,293,303,443,878.16
  5. Step 5: Solve for x
    x = 2,293,303,443,878.16/1,973,266.80
  6. Step 6: Final answer
    x = 1,162,186.20

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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.