Home / 873,511.56-1,206,102.96-859,561.20

Finding the Fourth Proportional to 873,511.56, 1,206,102.96 and 859,561.20

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Solution

The fourth proportional to 873,511.56, 1,206,102.96 and 859,561.20 is: 1,186,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,511.56 : 1,206,102.96 = 859,561.20 : x
  2. Step 2: Convert to fraction form
    873,511.56/1,206,102.96 = 859,561.20/x
  3. Step 3: Cross multiply
    873,511.56x = 1,206,102.96 × 859,561.20
  4. Step 4: Simplify right side
    873,511.56x = 1,036,719,307,621.15
  5. Step 5: Solve for x
    x = 1,036,719,307,621.15/873,511.56
  6. Step 6: Final answer
    x = 1,186,840.97

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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.