Home / 432,826.80-649,240.20-283,527.60

Finding the Fourth Proportional to 432,826.80, 649,240.20 and 283,527.60

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Solution

The fourth proportional to 432,826.80, 649,240.20 and 283,527.60 is: 425,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,826.80 : 649,240.20 = 283,527.60 : x
  2. Step 2: Convert to fraction form
    432,826.80/649,240.20 = 283,527.60/x
  3. Step 3: Cross multiply
    432,826.80x = 649,240.20 × 283,527.60
  4. Step 4: Simplify right side
    432,826.80x = 184,077,515,729.52
  5. Step 5: Solve for x
    x = 184,077,515,729.52/432,826.80
  6. Step 6: Final answer
    x = 425,291.40

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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.