Home / 1,129,356.10-1,694,055.98-276,435.21

Finding the Fourth Proportional to 1,129,356.10, 1,694,055.98 and 276,435.21

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Solution

The fourth proportional to 1,129,356.10, 1,694,055.98 and 276,435.21 is: 414,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,356.10 : 1,694,055.98 = 276,435.21 : x
  2. Step 2: Convert to fraction form
    1,129,356.10/1,694,055.98 = 276,435.21/x
  3. Step 3: Cross multiply
    1,129,356.10x = 1,694,055.98 × 276,435.21
  4. Step 4: Simplify right side
    1,129,356.10x = 468,296,720,583.06
  5. Step 5: Solve for x
    x = 468,296,720,583.06/1,129,356.10
  6. Step 6: Final answer
    x = 414,658.16

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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.