Home / 1,081,012.70-1,622,641.02-626,491.98

Finding the Fourth Proportional to 1,081,012.70, 1,622,641.02 and 626,491.98

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Solution

The fourth proportional to 1,081,012.70, 1,622,641.02 and 626,491.98 is: 940,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,012.70 : 1,622,641.02 = 626,491.98 : x
  2. Step 2: Convert to fraction form
    1,081,012.70/1,622,641.02 = 626,491.98/x
  3. Step 3: Cross multiply
    1,081,012.70x = 1,622,641.02 × 626,491.98
  4. Step 4: Simplify right side
    1,081,012.70x = 1,016,571,585,449.02
  5. Step 5: Solve for x
    x = 1,016,571,585,449.02/1,081,012.70
  6. Step 6: Final answer
    x = 940,388.20

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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.