Home / 389,365.28-537,567.33-298,546.69

Finding the Fourth Proportional to 389,365.28, 537,567.33 and 298,546.69

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Solution

The fourth proportional to 389,365.28, 537,567.33 and 298,546.69 is: 412,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,365.28 : 537,567.33 = 298,546.69 : x
  2. Step 2: Convert to fraction form
    389,365.28/537,567.33 = 298,546.69/x
  3. Step 3: Cross multiply
    389,365.28x = 537,567.33 × 298,546.69
  4. Step 4: Simplify right side
    389,365.28x = 160,488,946,295.30
  5. Step 5: Solve for x
    x = 160,488,946,295.30/389,365.28
  6. Step 6: Final answer
    x = 412,180.94

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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.