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Finding the Fourth Proportional to 1,401,294.04, 1,919,779.79 and 1,348,813.60

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Solution

The fourth proportional to 1,401,294.04, 1,919,779.79 and 1,348,813.60 is: 1,847,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,294.04 : 1,919,779.79 = 1,348,813.60 : x
  2. Step 2: Convert to fraction form
    1,401,294.04/1,919,779.79 = 1,348,813.60/x
  3. Step 3: Cross multiply
    1,401,294.04x = 1,919,779.79 × 1,348,813.60
  4. Step 4: Simplify right side
    1,401,294.04x = 2,589,425,089,757.14
  5. Step 5: Solve for x
    x = 2,589,425,089,757.14/1,401,294.04
  6. Step 6: Final answer
    x = 1,847,881.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.