Home / 1,117,616.81-1,542,268.38-634,153.13

Finding the Fourth Proportional to 1,117,616.81, 1,542,268.38 and 634,153.13

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Solution

The fourth proportional to 1,117,616.81, 1,542,268.38 and 634,153.13 is: 875,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,616.81 : 1,542,268.38 = 634,153.13 : x
  2. Step 2: Convert to fraction form
    1,117,616.81/1,542,268.38 = 634,153.13/x
  3. Step 3: Cross multiply
    1,117,616.81x = 1,542,268.38 × 634,153.13
  4. Step 4: Simplify right side
    1,117,616.81x = 978,034,320,477.03
  5. Step 5: Solve for x
    x = 978,034,320,477.03/1,117,616.81
  6. Step 6: Final answer
    x = 875,107.02

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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.