Home / 1,227,515.10-1,693,384.11-953,709.29

Finding the Fourth Proportional to 1,227,515.10, 1,693,384.11 and 953,709.29

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Solution

The fourth proportional to 1,227,515.10, 1,693,384.11 and 953,709.29 is: 1,315,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,515.10 : 1,693,384.11 = 953,709.29 : x
  2. Step 2: Convert to fraction form
    1,227,515.10/1,693,384.11 = 953,709.29/x
  3. Step 3: Cross multiply
    1,227,515.10x = 1,693,384.11 × 953,709.29
  4. Step 4: Simplify right side
    1,227,515.10x = 1,614,996,157,245.38
  5. Step 5: Solve for x
    x = 1,614,996,157,245.38/1,227,515.10
  6. Step 6: Final answer
    x = 1,315,662.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.