Home / 1,046,633.15-1,444,578.84-638,647.58

Finding the Fourth Proportional to 1,046,633.15, 1,444,578.84 and 638,647.58

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Solution

The fourth proportional to 1,046,633.15, 1,444,578.84 and 638,647.58 is: 881,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,633.15 : 1,444,578.84 = 638,647.58 : x
  2. Step 2: Convert to fraction form
    1,046,633.15/1,444,578.84 = 638,647.58/x
  3. Step 3: Cross multiply
    1,046,633.15x = 1,444,578.84 × 638,647.58
  4. Step 4: Simplify right side
    1,046,633.15x = 922,576,783,896.65
  5. Step 5: Solve for x
    x = 922,576,783,896.65/1,046,633.15
  6. Step 6: Final answer
    x = 881,471.01

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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.