Home / 632,021.40-948,032.10-276,658.20

Finding the Fourth Proportional to 632,021.40, 948,032.10 and 276,658.20

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Solution

The fourth proportional to 632,021.40, 948,032.10 and 276,658.20 is: 414,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,021.40 : 948,032.10 = 276,658.20 : x
  2. Step 2: Convert to fraction form
    632,021.40/948,032.10 = 276,658.20/x
  3. Step 3: Cross multiply
    632,021.40x = 948,032.10 × 276,658.20
  4. Step 4: Simplify right side
    632,021.40x = 262,280,854,328.22
  5. Step 5: Solve for x
    x = 262,280,854,328.22/632,021.40
  6. Step 6: Final answer
    x = 414,987.30

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Double scale
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Similar ratio
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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.