Home / 1,081,686.19-1,622,532.03-441,989.93

Finding the Fourth Proportional to 1,081,686.19, 1,622,532.03 and 441,989.93

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Solution

The fourth proportional to 1,081,686.19, 1,622,532.03 and 441,989.93 is: 662,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,686.19 : 1,622,532.03 = 441,989.93 : x
  2. Step 2: Convert to fraction form
    1,081,686.19/1,622,532.03 = 441,989.93/x
  3. Step 3: Cross multiply
    1,081,686.19x = 1,622,532.03 × 441,989.93
  4. Step 4: Simplify right side
    1,081,686.19x = 717,142,817,991.76
  5. Step 5: Solve for x
    x = 717,142,817,991.76/1,081,686.19
  6. Step 6: Final answer
    x = 662,986.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.