Home / 1,419,666.71-1,959,129.92-775,086.89

Finding the Fourth Proportional to 1,419,666.71, 1,959,129.92 and 775,086.89

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Solution

The fourth proportional to 1,419,666.71, 1,959,129.92 and 775,086.89 is: 1,069,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,666.71 : 1,959,129.92 = 775,086.89 : x
  2. Step 2: Convert to fraction form
    1,419,666.71/1,959,129.92 = 775,086.89/x
  3. Step 3: Cross multiply
    1,419,666.71x = 1,959,129.92 × 775,086.89
  4. Step 4: Simplify right side
    1,419,666.71x = 1,518,495,907,003.10
  5. Step 5: Solve for x
    x = 1,518,495,907,003.10/1,419,666.71
  6. Step 6: Final answer
    x = 1,069,614.37

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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.