Home / 842,442.60-1,162,571.40-460,469.42

Finding the Fourth Proportional to 842,442.60, 1,162,571.40 and 460,469.42

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Solution

The fourth proportional to 842,442.60, 1,162,571.40 and 460,469.42 is: 635,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,442.60 : 1,162,571.40 = 460,469.42 : x
  2. Step 2: Convert to fraction form
    842,442.60/1,162,571.40 = 460,469.42/x
  3. Step 3: Cross multiply
    842,442.60x = 1,162,571.40 × 460,469.42
  4. Step 4: Simplify right side
    842,442.60x = 535,328,572,453.73
  5. Step 5: Solve for x
    x = 535,328,572,453.73/842,442.60
  6. Step 6: Final answer
    x = 635,448.13

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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.