Home / 1,419,814.34-1,959,384.13-775,275.38

Finding the Fourth Proportional to 1,419,814.34, 1,959,384.13 and 775,275.38

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Solution

The fourth proportional to 1,419,814.34, 1,959,384.13 and 775,275.38 is: 1,069,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,814.34 : 1,959,384.13 = 775,275.38 : x
  2. Step 2: Convert to fraction form
    1,419,814.34/1,959,384.13 = 775,275.38/x
  3. Step 3: Cross multiply
    1,419,814.34x = 1,959,384.13 × 775,275.38
  4. Step 4: Simplify right side
    1,419,814.34x = 1,519,062,275,951.72
  5. Step 5: Solve for x
    x = 1,519,062,275,951.72/1,419,814.34
  6. Step 6: Final answer
    x = 1,069,902.05

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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.