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Finding the Fourth Proportional to 1,262,183.94, 1,893,964.80 and 730,742.94

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Solution

The fourth proportional to 1,262,183.94, 1,893,964.80 and 730,742.94 is: 1,096,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,183.94 : 1,893,964.80 = 730,742.94 : x
  2. Step 2: Convert to fraction form
    1,262,183.94/1,893,964.80 = 730,742.94/x
  3. Step 3: Cross multiply
    1,262,183.94x = 1,893,964.80 × 730,742.94
  4. Step 4: Simplify right side
    1,262,183.94x = 1,384,001,406,208.51
  5. Step 5: Solve for x
    x = 1,384,001,406,208.51/1,262,183.94
  6. Step 6: Final answer
    x = 1,096,513.24

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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.