Home / 1,243,817.14-1,865,719.44-485,735.58

Finding the Fourth Proportional to 1,243,817.14, 1,865,719.44 and 485,735.58

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Solution

The fourth proportional to 1,243,817.14, 1,865,719.44 and 485,735.58 is: 728,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,817.14 : 1,865,719.44 = 485,735.58 : x
  2. Step 2: Convert to fraction form
    1,243,817.14/1,865,719.44 = 485,735.58/x
  3. Step 3: Cross multiply
    1,243,817.14x = 1,865,719.44 × 485,735.58
  4. Step 4: Simplify right side
    1,243,817.14x = 906,246,316,637.83
  5. Step 5: Solve for x
    x = 906,246,316,637.83/1,243,817.14
  6. Step 6: Final answer
    x = 728,600.93

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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.