Home / 1,028,693.76-1,419,582.39-569,806.80

Finding the Fourth Proportional to 1,028,693.76, 1,419,582.39 and 569,806.80

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Solution

The fourth proportional to 1,028,693.76, 1,419,582.39 and 569,806.80 is: 786,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,693.76 : 1,419,582.39 = 569,806.80 : x
  2. Step 2: Convert to fraction form
    1,028,693.76/1,419,582.39 = 569,806.80/x
  3. Step 3: Cross multiply
    1,028,693.76x = 1,419,582.39 × 569,806.80
  4. Step 4: Simplify right side
    1,028,693.76x = 808,887,698,982.25
  5. Step 5: Solve for x
    x = 808,887,698,982.25/1,028,693.76
  6. Step 6: Final answer
    x = 786,325.08

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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.