Home / 1,028,896.29-1,419,886.85-570,020.63

Finding the Fourth Proportional to 1,028,896.29, 1,419,886.85 and 570,020.63

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Solution

The fourth proportional to 1,028,896.29, 1,419,886.85 and 570,020.63 is: 786,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,896.29 : 1,419,886.85 = 570,020.63 : x
  2. Step 2: Convert to fraction form
    1,028,896.29/1,419,886.85 = 570,020.63/x
  3. Step 3: Cross multiply
    1,028,896.29x = 1,419,886.85 × 570,020.63
  4. Step 4: Simplify right side
    1,028,896.29x = 809,364,786,816.18
  5. Step 5: Solve for x
    x = 809,364,786,816.18/1,028,896.29
  6. Step 6: Final answer
    x = 786,633.98

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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.