Home / 1,028,906.32-1,419,900.66-570,030.64

Finding the Fourth Proportional to 1,028,906.32, 1,419,900.66 and 570,030.64

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Solution

The fourth proportional to 1,028,906.32, 1,419,900.66 and 570,030.64 is: 786,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,906.32 : 1,419,900.66 = 570,030.64 : x
  2. Step 2: Convert to fraction form
    1,028,906.32/1,419,900.66 = 570,030.64/x
  3. Step 3: Cross multiply
    1,028,906.32x = 1,419,900.66 × 570,030.64
  4. Step 4: Simplify right side
    1,028,906.32x = 809,386,881,956.22
  5. Step 5: Solve for x
    x = 809,386,881,956.22/1,028,906.32
  6. Step 6: Final answer
    x = 786,647.79

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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.