Home / 1,371,562.56-1,893,680.96-856,101.51

Finding the Fourth Proportional to 1,371,562.56, 1,893,680.96 and 856,101.51

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Solution

The fourth proportional to 1,371,562.56, 1,893,680.96 and 856,101.51 is: 1,181,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,562.56 : 1,893,680.96 = 856,101.51 : x
  2. Step 2: Convert to fraction form
    1,371,562.56/1,893,680.96 = 856,101.51/x
  3. Step 3: Cross multiply
    1,371,562.56x = 1,893,680.96 × 856,101.51
  4. Step 4: Simplify right side
    1,371,562.56x = 1,621,183,125,033.74
  5. Step 5: Solve for x
    x = 1,621,183,125,033.74/1,371,562.56
  6. Step 6: Final answer
    x = 1,181,997.21

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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.