Home / 1,036,699.55-1,555,049.33-438,336.35

Finding the Fourth Proportional to 1,036,699.55, 1,555,049.33 and 438,336.35

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Solution

The fourth proportional to 1,036,699.55, 1,555,049.33 and 438,336.35 is: 657,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,699.55 : 1,555,049.33 = 438,336.35 : x
  2. Step 2: Convert to fraction form
    1,036,699.55/1,555,049.33 = 438,336.35/x
  3. Step 3: Cross multiply
    1,036,699.55x = 1,555,049.33 × 438,336.35
  4. Step 4: Simplify right side
    1,036,699.55x = 681,634,647,382.15
  5. Step 5: Solve for x
    x = 681,634,647,382.15/1,036,699.55
  6. Step 6: Final answer
    x = 657,504.53

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Double scale
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Similar ratio
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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.