Home / 1,289,316.99-1,933,975.49-447,869.55

Finding the Fourth Proportional to 1,289,316.99, 1,933,975.49 and 447,869.55

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Solution

The fourth proportional to 1,289,316.99, 1,933,975.49 and 447,869.55 is: 671,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,316.99 : 1,933,975.49 = 447,869.55 : x
  2. Step 2: Convert to fraction form
    1,289,316.99/1,933,975.49 = 447,869.55/x
  3. Step 3: Cross multiply
    1,289,316.99x = 1,933,975.49 × 447,869.55
  4. Step 4: Simplify right side
    1,289,316.99x = 866,168,730,177.98
  5. Step 5: Solve for x
    x = 866,168,730,177.98/1,289,316.99
  6. Step 6: Final answer
    x = 671,804.33

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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.