Home / 703,624.39-971,001.34-381,334.43

Finding the Fourth Proportional to 703,624.39, 971,001.34 and 381,334.43

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Solution

The fourth proportional to 703,624.39, 971,001.34 and 381,334.43 is: 526,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,624.39 : 971,001.34 = 381,334.43 : x
  2. Step 2: Convert to fraction form
    703,624.39/971,001.34 = 381,334.43/x
  3. Step 3: Cross multiply
    703,624.39x = 971,001.34 × 381,334.43
  4. Step 4: Simplify right side
    703,624.39x = 370,276,243,992.30
  5. Step 5: Solve for x
    x = 370,276,243,992.30/703,624.39
  6. Step 6: Final answer
    x = 526,241.34

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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.