Home / 1,028,512.89-1,419,308.55-563,359.32

Finding the Fourth Proportional to 1,028,512.89, 1,419,308.55 and 563,359.32

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Solution

The fourth proportional to 1,028,512.89, 1,419,308.55 and 563,359.32 is: 777,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,512.89 : 1,419,308.55 = 563,359.32 : x
  2. Step 2: Convert to fraction form
    1,028,512.89/1,419,308.55 = 563,359.32/x
  3. Step 3: Cross multiply
    1,028,512.89x = 1,419,308.55 × 563,359.32
  4. Step 4: Simplify right side
    1,028,512.89x = 799,580,699,598.19
  5. Step 5: Solve for x
    x = 799,580,699,598.19/1,028,512.89
  6. Step 6: Final answer
    x = 777,414.37

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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.