Home / 1,301,119.38-1,796,646.96-817,840.17

Finding the Fourth Proportional to 1,301,119.38, 1,796,646.96 and 817,840.17

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Solution

The fourth proportional to 1,301,119.38, 1,796,646.96 and 817,840.17 is: 1,129,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,119.38 : 1,796,646.96 = 817,840.17 : x
  2. Step 2: Convert to fraction form
    1,301,119.38/1,796,646.96 = 817,840.17/x
  3. Step 3: Cross multiply
    1,301,119.38x = 1,796,646.96 × 817,840.17
  4. Step 4: Simplify right side
    1,301,119.38x = 1,469,370,055,196.38
  5. Step 5: Solve for x
    x = 1,469,370,055,196.38/1,301,119.38
  6. Step 6: Final answer
    x = 1,129,312.25

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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.