Home / 738,109.76-1,107,164.48-528,157.76

Finding the Fourth Proportional to 738,109.76, 1,107,164.48 and 528,157.76

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Solution

The fourth proportional to 738,109.76, 1,107,164.48 and 528,157.76 is: 792,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,109.76 : 1,107,164.48 = 528,157.76 : x
  2. Step 2: Convert to fraction form
    738,109.76/1,107,164.48 = 528,157.76/x
  3. Step 3: Cross multiply
    738,109.76x = 1,107,164.48 × 528,157.76
  4. Step 4: Simplify right side
    738,109.76x = 584,757,511,708.37
  5. Step 5: Solve for x
    x = 584,757,511,708.37/738,109.76
  6. Step 6: Final answer
    x = 792,236.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.