Home / 1,396,878.91-2,093,423.72-637,779.41

Finding the Fourth Proportional to 1,396,878.91, 2,093,423.72 and 637,779.41

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Solution

The fourth proportional to 1,396,878.91, 2,093,423.72 and 637,779.41 is: 955,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,878.91 : 2,093,423.72 = 637,779.41 : x
  2. Step 2: Convert to fraction form
    1,396,878.91/2,093,423.72 = 637,779.41/x
  3. Step 3: Cross multiply
    1,396,878.91x = 2,093,423.72 × 637,779.41
  4. Step 4: Simplify right side
    1,396,878.91x = 1,335,142,545,021.61
  5. Step 5: Solve for x
    x = 1,335,142,545,021.61/1,396,878.91
  6. Step 6: Final answer
    x = 955,804.07

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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.