Home / 1,843,047.12-2,765,815.66-644,979.81

Finding the Fourth Proportional to 1,843,047.12, 2,765,815.66 and 644,979.81

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Solution

The fourth proportional to 1,843,047.12, 2,765,815.66 and 644,979.81 is: 967,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,047.12 : 2,765,815.66 = 644,979.81 : x
  2. Step 2: Convert to fraction form
    1,843,047.12/2,765,815.66 = 644,979.81/x
  3. Step 3: Cross multiply
    1,843,047.12x = 2,765,815.66 × 644,979.81
  4. Step 4: Simplify right side
    1,843,047.12x = 1,783,895,266,431.85
  5. Step 5: Solve for x
    x = 1,783,895,266,431.85/1,843,047.12
  6. Step 6: Final answer
    x = 967,905.40

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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.