Home / 863,241.56-1,191,247.26-476,056.78

Finding the Fourth Proportional to 863,241.56, 1,191,247.26 and 476,056.78

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Solution

The fourth proportional to 863,241.56, 1,191,247.26 and 476,056.78 is: 656,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,241.56 : 1,191,247.26 = 476,056.78 : x
  2. Step 2: Convert to fraction form
    863,241.56/1,191,247.26 = 476,056.78/x
  3. Step 3: Cross multiply
    863,241.56x = 1,191,247.26 × 476,056.78
  4. Step 4: Simplify right side
    863,241.56x = 567,101,334,779.42
  5. Step 5: Solve for x
    x = 567,101,334,779.42/863,241.56
  6. Step 6: Final answer
    x = 656,943.97

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Double scale
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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.