Home / 1,205,779.52-1,808,835.08-447,556.56

Finding the Fourth Proportional to 1,205,779.52, 1,808,835.08 and 447,556.56

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Solution

The fourth proportional to 1,205,779.52, 1,808,835.08 and 447,556.56 is: 671,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,779.52 : 1,808,835.08 = 447,556.56 : x
  2. Step 2: Convert to fraction form
    1,205,779.52/1,808,835.08 = 447,556.56/x
  3. Step 3: Cross multiply
    1,205,779.52x = 1,808,835.08 × 447,556.56
  4. Step 4: Simplify right side
    1,205,779.52x = 809,556,006,012.13
  5. Step 5: Solve for x
    x = 809,556,006,012.13/1,205,779.52
  6. Step 6: Final answer
    x = 671,396.38

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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.