Home / 1,543,116.54-2,129,426.73-854,741.91

Finding the Fourth Proportional to 1,543,116.54, 2,129,426.73 and 854,741.91

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Solution

The fourth proportional to 1,543,116.54, 2,129,426.73 and 854,741.91 is: 1,179,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,116.54 : 2,129,426.73 = 854,741.91 : x
  2. Step 2: Convert to fraction form
    1,543,116.54/2,129,426.73 = 854,741.91/x
  3. Step 3: Cross multiply
    1,543,116.54x = 2,129,426.73 × 854,741.91
  4. Step 4: Simplify right side
    1,543,116.54x = 1,820,110,270,405.25
  5. Step 5: Solve for x
    x = 1,820,110,270,405.25/1,543,116.54
  6. Step 6: Final answer
    x = 1,179,502.79

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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.