Home / 1,028,784.90-1,419,707.84-569,898.10

Finding the Fourth Proportional to 1,028,784.90, 1,419,707.84 and 569,898.10

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Solution

The fourth proportional to 1,028,784.90, 1,419,707.84 and 569,898.10 is: 786,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,784.90 : 1,419,707.84 = 569,898.10 : x
  2. Step 2: Convert to fraction form
    1,028,784.90/1,419,707.84 = 569,898.10/x
  3. Step 3: Cross multiply
    1,028,784.90x = 1,419,707.84 × 569,898.10
  4. Step 4: Simplify right side
    1,028,784.90x = 809,088,800,571.10
  5. Step 5: Solve for x
    x = 809,088,800,571.10/1,028,784.90
  6. Step 6: Final answer
    x = 786,450.89

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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.