Home / 856,512.60-1,283,540.10-630,106.20

Finding the Fourth Proportional to 856,512.60, 1,283,540.10 and 630,106.20

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Solution

The fourth proportional to 856,512.60, 1,283,540.10 and 630,106.20 is: 944,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,512.60 : 1,283,540.10 = 630,106.20 : x
  2. Step 2: Convert to fraction form
    856,512.60/1,283,540.10 = 630,106.20/x
  3. Step 3: Cross multiply
    856,512.60x = 1,283,540.10 × 630,106.20
  4. Step 4: Simplify right side
    856,512.60x = 808,766,574,958.62
  5. Step 5: Solve for x
    x = 808,766,574,958.62/856,512.60
  6. Step 6: Final answer
    x = 944,255.32

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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.