Home / 703,087.20-1,054,630.80-324,007.20

Finding the Fourth Proportional to 703,087.20, 1,054,630.80 and 324,007.20

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Solution

The fourth proportional to 703,087.20, 1,054,630.80 and 324,007.20 is: 486,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,087.20 : 1,054,630.80 = 324,007.20 : x
  2. Step 2: Convert to fraction form
    703,087.20/1,054,630.80 = 324,007.20/x
  3. Step 3: Cross multiply
    703,087.20x = 1,054,630.80 × 324,007.20
  4. Step 4: Simplify right side
    703,087.20x = 341,707,972,541.76
  5. Step 5: Solve for x
    x = 341,707,972,541.76/703,087.20
  6. Step 6: Final answer
    x = 486,010.80

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Double scale
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Similar ratio
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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.