Home / 1,047,645.55-1,444,371.94-684,438.31

Finding the Fourth Proportional to 1,047,645.55, 1,444,371.94 and 684,438.31

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Solution

The fourth proportional to 1,047,645.55, 1,444,371.94 and 684,438.31 is: 943,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,645.55 : 1,444,371.94 = 684,438.31 : x
  2. Step 2: Convert to fraction form
    1,047,645.55/1,444,371.94 = 684,438.31/x
  3. Step 3: Cross multiply
    1,047,645.55x = 1,444,371.94 × 684,438.31
  4. Step 4: Simplify right side
    1,047,645.55x = 988,583,489,625.02
  5. Step 5: Solve for x
    x = 988,583,489,625.02/1,047,645.55
  6. Step 6: Final answer
    x = 943,624.00

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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.