Home / 1,113,779.70-1,670,667.66-403,806.60

Finding the Fourth Proportional to 1,113,779.70, 1,670,667.66 and 403,806.60

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Solution

The fourth proportional to 1,113,779.70, 1,670,667.66 and 403,806.60 is: 605,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,779.70 : 1,670,667.66 = 403,806.60 : x
  2. Step 2: Convert to fraction form
    1,113,779.70/1,670,667.66 = 403,806.60/x
  3. Step 3: Cross multiply
    1,113,779.70x = 1,670,667.66 × 403,806.60
  4. Step 4: Simplify right side
    1,113,779.70x = 674,626,627,514.56
  5. Step 5: Solve for x
    x = 674,626,627,514.56/1,113,779.70
  6. Step 6: Final answer
    x = 605,709.21

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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.