Home / 1,079,352.93-1,618,733.82-405,382.11

Finding the Fourth Proportional to 1,079,352.93, 1,618,733.82 and 405,382.11

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Solution

The fourth proportional to 1,079,352.93, 1,618,733.82 and 405,382.11 is: 607,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,352.93 : 1,618,733.82 = 405,382.11 : x
  2. Step 2: Convert to fraction form
    1,079,352.93/1,618,733.82 = 405,382.11/x
  3. Step 3: Cross multiply
    1,079,352.93x = 1,618,733.82 × 405,382.11
  4. Step 4: Simplify right side
    1,079,352.93x = 656,205,731,479.96
  5. Step 5: Solve for x
    x = 656,205,731,479.96/1,079,352.93
  6. Step 6: Final answer
    x = 607,962.15

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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.