Home / 863,353.35-1,294,291.58-331,256.25

Finding the Fourth Proportional to 863,353.35, 1,294,291.58 and 331,256.25

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Solution

The fourth proportional to 863,353.35, 1,294,291.58 and 331,256.25 is: 496,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,353.35 : 1,294,291.58 = 331,256.25 : x
  2. Step 2: Convert to fraction form
    863,353.35/1,294,291.58 = 331,256.25/x
  3. Step 3: Cross multiply
    863,353.35x = 1,294,291.58 × 331,256.25
  4. Step 4: Simplify right side
    863,353.35x = 428,742,173,541.09
  5. Step 5: Solve for x
    x = 428,742,173,541.09/863,353.35
  6. Step 6: Final answer
    x = 496,601.04

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Double scale
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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.