Home / 842,215.72-1,162,272.90-460,258.60

Finding the Fourth Proportional to 842,215.72, 1,162,272.90 and 460,258.60

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Solution

The fourth proportional to 842,215.72, 1,162,272.90 and 460,258.60 is: 635,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,215.72 : 1,162,272.90 = 460,258.60 : x
  2. Step 2: Convert to fraction form
    842,215.72/1,162,272.90 = 460,258.60/x
  3. Step 3: Cross multiply
    842,215.72x = 1,162,272.90 × 460,258.60
  4. Step 4: Simplify right side
    842,215.72x = 534,946,097,771.94
  5. Step 5: Solve for x
    x = 534,946,097,771.94/842,215.72
  6. Step 6: Final answer
    x = 635,165.18

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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.