Home / 1,640,794.03-2,461,191.05-442,716.35

Finding the Fourth Proportional to 1,640,794.03, 2,461,191.05 and 442,716.35

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Solution

The fourth proportional to 1,640,794.03, 2,461,191.05 and 442,716.35 is: 664,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,794.03 : 2,461,191.05 = 442,716.35 : x
  2. Step 2: Convert to fraction form
    1,640,794.03/2,461,191.05 = 442,716.35/x
  3. Step 3: Cross multiply
    1,640,794.03x = 2,461,191.05 × 442,716.35
  4. Step 4: Simplify right side
    1,640,794.03x = 1,089,609,507,109.50
  5. Step 5: Solve for x
    x = 1,089,609,507,109.50/1,640,794.03
  6. Step 6: Final answer
    x = 664,074.52

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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.