Home / 623,520.36-935,527.56-324,189.72

Finding the Fourth Proportional to 623,520.36, 935,527.56 and 324,189.72

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Solution

The fourth proportional to 623,520.36, 935,527.56 and 324,189.72 is: 486,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,520.36 : 935,527.56 = 324,189.72 : x
  2. Step 2: Convert to fraction form
    623,520.36/935,527.56 = 324,189.72/x
  3. Step 3: Cross multiply
    623,520.36x = 935,527.56 × 324,189.72
  4. Step 4: Simplify right side
    623,520.36x = 303,288,417,728.68
  5. Step 5: Solve for x
    x = 303,288,417,728.68/623,520.36
  6. Step 6: Final answer
    x = 486,413.01

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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.