Home / 1,086,055.36-1,628,428.32-486,908.16

Finding the Fourth Proportional to 1,086,055.36, 1,628,428.32 and 486,908.16

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Solution

The fourth proportional to 1,086,055.36, 1,628,428.32 and 486,908.16 is: 730,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,055.36 : 1,628,428.32 = 486,908.16 : x
  2. Step 2: Convert to fraction form
    1,086,055.36/1,628,428.32 = 486,908.16/x
  3. Step 3: Cross multiply
    1,086,055.36x = 1,628,428.32 × 486,908.16
  4. Step 4: Simplify right side
    1,086,055.36x = 792,895,036,983.09
  5. Step 5: Solve for x
    x = 792,895,036,983.09/1,086,055.36
  6. Step 6: Final answer
    x = 730,068.71

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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.