Home / 1,054,379.40-1,579,418.70-653,790.60

Finding the Fourth Proportional to 1,054,379.40, 1,579,418.70 and 653,790.60

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Solution

The fourth proportional to 1,054,379.40, 1,579,418.70 and 653,790.60 is: 979,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,379.40 : 1,579,418.70 = 653,790.60 : x
  2. Step 2: Convert to fraction form
    1,054,379.40/1,579,418.70 = 653,790.60/x
  3. Step 3: Cross multiply
    1,054,379.40x = 1,579,418.70 × 653,790.60
  4. Step 4: Simplify right side
    1,054,379.40x = 1,032,609,099,524.22
  5. Step 5: Solve for x
    x = 1,032,609,099,524.22/1,054,379.40
  6. Step 6: Final answer
    x = 979,352.50

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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.