Home / 857,629.26-1,183,140.27-535,418.82

Finding the Fourth Proportional to 857,629.26, 1,183,140.27 and 535,418.82

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Solution

The fourth proportional to 857,629.26, 1,183,140.27 and 535,418.82 is: 738,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,629.26 : 1,183,140.27 = 535,418.82 : x
  2. Step 2: Convert to fraction form
    857,629.26/1,183,140.27 = 535,418.82/x
  3. Step 3: Cross multiply
    857,629.26x = 1,183,140.27 × 535,418.82
  4. Step 4: Simplify right side
    857,629.26x = 633,475,567,257.88
  5. Step 5: Solve for x
    x = 633,475,567,257.88/857,629.26
  6. Step 6: Final answer
    x = 738,635.67

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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.