Home / 1,173,460.83-1,619,098.38-664,163.21

Finding the Fourth Proportional to 1,173,460.83, 1,619,098.38 and 664,163.21

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Solution

The fourth proportional to 1,173,460.83, 1,619,098.38 and 664,163.21 is: 916,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,460.83 : 1,619,098.38 = 664,163.21 : x
  2. Step 2: Convert to fraction form
    1,173,460.83/1,619,098.38 = 664,163.21/x
  3. Step 3: Cross multiply
    1,173,460.83x = 1,619,098.38 × 664,163.21
  4. Step 4: Simplify right side
    1,173,460.83x = 1,075,345,577,366.60
  5. Step 5: Solve for x
    x = 1,075,345,577,366.60/1,173,460.83
  6. Step 6: Final answer
    x = 916,388.13

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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.