Home / 389,050.59-537,332.69-261,504.75

Finding the Fourth Proportional to 389,050.59, 537,332.69 and 261,504.75

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Solution

The fourth proportional to 389,050.59, 537,332.69 and 261,504.75 is: 361,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,050.59 : 537,332.69 = 261,504.75 : x
  2. Step 2: Convert to fraction form
    389,050.59/537,332.69 = 261,504.75/x
  3. Step 3: Cross multiply
    389,050.59x = 537,332.69 × 261,504.75
  4. Step 4: Simplify right side
    389,050.59x = 140,515,051,963.07
  5. Step 5: Solve for x
    x = 140,515,051,963.07/389,050.59
  6. Step 6: Final answer
    x = 361,174.24

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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.