Home / 677,511.63-932,619.42-585,589.05

Finding the Fourth Proportional to 677,511.63, 932,619.42 and 585,589.05

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Solution

The fourth proportional to 677,511.63, 932,619.42 and 585,589.05 is: 806,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,511.63 : 932,619.42 = 585,589.05 : x
  2. Step 2: Convert to fraction form
    677,511.63/932,619.42 = 585,589.05/x
  3. Step 3: Cross multiply
    677,511.63x = 932,619.42 × 585,589.05
  4. Step 4: Simplify right side
    677,511.63x = 546,131,720,169.35
  5. Step 5: Solve for x
    x = 546,131,720,169.35/677,511.63
  6. Step 6: Final answer
    x = 806,084.64

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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.