Home / 863,680.12-1,191,880.38-481,697.08

Finding the Fourth Proportional to 863,680.12, 1,191,880.38 and 481,697.08

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Solution

The fourth proportional to 863,680.12, 1,191,880.38 and 481,697.08 is: 664,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,680.12 : 1,191,880.38 = 481,697.08 : x
  2. Step 2: Convert to fraction form
    863,680.12/1,191,880.38 = 481,697.08/x
  3. Step 3: Cross multiply
    863,680.12x = 1,191,880.38 × 481,697.08
  4. Step 4: Simplify right side
    863,680.12x = 574,125,298,755.29
  5. Step 5: Solve for x
    x = 574,125,298,755.29/863,680.12
  6. Step 6: Final answer
    x = 664,742.98

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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.