Home / 1,013,786.56-1,519,000.65-712,796.58

Finding the Fourth Proportional to 1,013,786.56, 1,519,000.65 and 712,796.58

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Solution

The fourth proportional to 1,013,786.56, 1,519,000.65 and 712,796.58 is: 1,068,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,786.56 : 1,519,000.65 = 712,796.58 : x
  2. Step 2: Convert to fraction form
    1,013,786.56/1,519,000.65 = 712,796.58/x
  3. Step 3: Cross multiply
    1,013,786.56x = 1,519,000.65 × 712,796.58
  4. Step 4: Simplify right side
    1,013,786.56x = 1,082,738,468,337.78
  5. Step 5: Solve for x
    x = 1,082,738,468,337.78/1,013,786.56
  6. Step 6: Final answer
    x = 1,068,014.23

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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.