Home / 583,743.20-875,614.80-228,639.20

Finding the Fourth Proportional to 583,743.20, 875,614.80 and 228,639.20

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Solution

The fourth proportional to 583,743.20, 875,614.80 and 228,639.20 is: 342,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,743.20 : 875,614.80 = 228,639.20 : x
  2. Step 2: Convert to fraction form
    583,743.20/875,614.80 = 228,639.20/x
  3. Step 3: Cross multiply
    583,743.20x = 875,614.80 × 228,639.20
  4. Step 4: Simplify right side
    583,743.20x = 200,199,867,380.16
  5. Step 5: Solve for x
    x = 200,199,867,380.16/583,743.20
  6. Step 6: Final answer
    x = 342,958.80

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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.