Home / 1,081,986.56-1,493,253.04-623,116.16

Finding the Fourth Proportional to 1,081,986.56, 1,493,253.04 and 623,116.16

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Solution

The fourth proportional to 1,081,986.56, 1,493,253.04 and 623,116.16 is: 859,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,986.56 : 1,493,253.04 = 623,116.16 : x
  2. Step 2: Convert to fraction form
    1,081,986.56/1,493,253.04 = 623,116.16/x
  3. Step 3: Cross multiply
    1,081,986.56x = 1,493,253.04 × 623,116.16
  4. Step 4: Simplify right side
    1,081,986.56x = 930,470,100,193.13
  5. Step 5: Solve for x
    x = 930,470,100,193.13/1,081,986.56
  6. Step 6: Final answer
    x = 859,964.56

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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.