Home / 1,028,821.20-1,419,740.28-569,916.96

Finding the Fourth Proportional to 1,028,821.20, 1,419,740.28 and 569,916.96

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Solution

The fourth proportional to 1,028,821.20, 1,419,740.28 and 569,916.96 is: 786,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,821.20 : 1,419,740.28 = 569,916.96 : x
  2. Step 2: Convert to fraction form
    1,028,821.20/1,419,740.28 = 569,916.96/x
  3. Step 3: Cross multiply
    1,028,821.20x = 1,419,740.28 × 569,916.96
  4. Step 4: Simplify right side
    1,028,821.20x = 809,134,064,367.15
  5. Step 5: Solve for x
    x = 809,134,064,367.15/1,028,821.20
  6. Step 6: Final answer
    x = 786,467.14

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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.