Home / 1,611,765.90-2,414,884.05-768,501.90

Finding the Fourth Proportional to 1,611,765.90, 2,414,884.05 and 768,501.90

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Solution

The fourth proportional to 1,611,765.90, 2,414,884.05 and 768,501.90 is: 1,151,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,765.90 : 2,414,884.05 = 768,501.90 : x
  2. Step 2: Convert to fraction form
    1,611,765.90/2,414,884.05 = 768,501.90/x
  3. Step 3: Cross multiply
    1,611,765.90x = 2,414,884.05 × 768,501.90
  4. Step 4: Simplify right side
    1,611,765.90x = 1,855,842,980,704.69
  5. Step 5: Solve for x
    x = 1,855,842,980,704.69/1,611,765.90
  6. Step 6: Final answer
    x = 1,151,434.57

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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.