Home / 1,528,824-2,293,236.47-449,336.75

Finding the Fourth Proportional to 1,528,824, 2,293,236.47 and 449,336.75

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Solution

The fourth proportional to 1,528,824, 2,293,236.47 and 449,336.75 is: 674,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,824 : 2,293,236.47 = 449,336.75 : x
  2. Step 2: Convert to fraction form
    1,528,824/2,293,236.47 = 449,336.75/x
  3. Step 3: Cross multiply
    1,528,824x = 2,293,236.47 × 449,336.75
  4. Step 4: Simplify right side
    1,528,824x = 1,030,435,408,698.41
  5. Step 5: Solve for x
    x = 1,030,435,408,698.41/1,528,824
  6. Step 6: Final answer
    x = 674,005.25

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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.