Home / 1,028,711.83-1,419,573-569,795.44

Finding the Fourth Proportional to 1,028,711.83, 1,419,573 and 569,795.44

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Solution

The fourth proportional to 1,028,711.83, 1,419,573 and 569,795.44 is: 786,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,711.83 : 1,419,573 = 569,795.44 : x
  2. Step 2: Convert to fraction form
    1,028,711.83/1,419,573 = 569,795.44/x
  3. Step 3: Cross multiply
    1,028,711.83x = 1,419,573 × 569,795.44
  4. Step 4: Simplify right side
    1,028,711.83x = 808,866,222,147.12
  5. Step 5: Solve for x
    x = 808,866,222,147.12/1,028,711.83
  6. Step 6: Final answer
    x = 786,290.39

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Double scale
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1.5x scale

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.