Home / 762,382.08-1,052,071.20-422,843.04

Finding the Fourth Proportional to 762,382.08, 1,052,071.20 and 422,843.04

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Solution

The fourth proportional to 762,382.08, 1,052,071.20 and 422,843.04 is: 583,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,382.08 : 1,052,071.20 = 422,843.04 : x
  2. Step 2: Convert to fraction form
    762,382.08/1,052,071.20 = 422,843.04/x
  3. Step 3: Cross multiply
    762,382.08x = 1,052,071.20 × 422,843.04
  4. Step 4: Simplify right side
    762,382.08x = 444,860,984,504.45
  5. Step 5: Solve for x
    x = 444,860,984,504.45/762,382.08
  6. Step 6: Final answer
    x = 583,514.48

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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.