Home / 1,381,554.14-1,892,735.75-1,329,779.64

Finding the Fourth Proportional to 1,381,554.14, 1,892,735.75 and 1,329,779.64

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Solution

The fourth proportional to 1,381,554.14, 1,892,735.75 and 1,329,779.64 is: 1,821,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,554.14 : 1,892,735.75 = 1,329,779.64 : x
  2. Step 2: Convert to fraction form
    1,381,554.14/1,892,735.75 = 1,329,779.64/x
  3. Step 3: Cross multiply
    1,381,554.14x = 1,892,735.75 × 1,329,779.64
  4. Step 4: Simplify right side
    1,381,554.14x = 2,516,921,457,601.23
  5. Step 5: Solve for x
    x = 2,516,921,457,601.23/1,381,554.14
  6. Step 6: Final answer
    x = 1,821,804.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.