Home / 1,642,470.57-2,266,563.06-917,297.01

Finding the Fourth Proportional to 1,642,470.57, 2,266,563.06 and 917,297.01

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Solution

The fourth proportional to 1,642,470.57, 2,266,563.06 and 917,297.01 is: 1,265,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,470.57 : 2,266,563.06 = 917,297.01 : x
  2. Step 2: Convert to fraction form
    1,642,470.57/2,266,563.06 = 917,297.01/x
  3. Step 3: Cross multiply
    1,642,470.57x = 2,266,563.06 × 917,297.01
  4. Step 4: Simplify right side
    1,642,470.57x = 2,079,111,517,914.45
  5. Step 5: Solve for x
    x = 2,079,111,517,914.45/1,642,470.57
  6. Step 6: Final answer
    x = 1,265,844.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.