Home / 914,146.08-1,372,103.64-441,164.40

Finding the Fourth Proportional to 914,146.08, 1,372,103.64 and 441,164.40

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Solution

The fourth proportional to 914,146.08, 1,372,103.64 and 441,164.40 is: 662,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,146.08 : 1,372,103.64 = 441,164.40 : x
  2. Step 2: Convert to fraction form
    914,146.08/1,372,103.64 = 441,164.40/x
  3. Step 3: Cross multiply
    914,146.08x = 1,372,103.64 × 441,164.40
  4. Step 4: Simplify right side
    914,146.08x = 605,323,279,078.42
  5. Step 5: Solve for x
    x = 605,323,279,078.42/914,146.08
  6. Step 6: Final answer
    x = 662,173.47

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Double scale
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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.