Home / 976,741.20-1,465,111.80-959,245.20

Finding the Fourth Proportional to 976,741.20, 1,465,111.80 and 959,245.20

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Solution

The fourth proportional to 976,741.20, 1,465,111.80 and 959,245.20 is: 1,438,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,741.20 : 1,465,111.80 = 959,245.20 : x
  2. Step 2: Convert to fraction form
    976,741.20/1,465,111.80 = 959,245.20/x
  3. Step 3: Cross multiply
    976,741.20x = 1,465,111.80 × 959,245.20
  4. Step 4: Simplify right side
    976,741.20x = 1,405,401,461,613.36
  5. Step 5: Solve for x
    x = 1,405,401,461,613.36/976,741.20
  6. Step 6: Final answer
    x = 1,438,867.80

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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.