Home / 1,028,865.30-1,419,818.78-569,978.93

Finding the Fourth Proportional to 1,028,865.30, 1,419,818.78 and 569,978.93

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Solution

The fourth proportional to 1,028,865.30, 1,419,818.78 and 569,978.93 is: 786,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,865.30 : 1,419,818.78 = 569,978.93 : x
  2. Step 2: Convert to fraction form
    1,028,865.30/1,419,818.78 = 569,978.93/x
  3. Step 3: Cross multiply
    1,028,865.30x = 1,419,818.78 × 569,978.93
  4. Step 4: Simplify right side
    1,028,865.30x = 809,266,779,069.32
  5. Step 5: Solve for x
    x = 809,266,779,069.32/1,028,865.30
  6. Step 6: Final answer
    x = 786,562.42

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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.