Home / 355,620.69-532,869.24-288,734.04

Finding the Fourth Proportional to 355,620.69, 532,869.24 and 288,734.04

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Solution

The fourth proportional to 355,620.69, 532,869.24 and 288,734.04 is: 432,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,620.69 : 532,869.24 = 288,734.04 : x
  2. Step 2: Convert to fraction form
    355,620.69/532,869.24 = 288,734.04/x
  3. Step 3: Cross multiply
    355,620.69x = 532,869.24 × 288,734.04
  4. Step 4: Simplify right side
    355,620.69x = 153,857,488,456.93
  5. Step 5: Solve for x
    x = 153,857,488,456.93/355,620.69
  6. Step 6: Final answer
    x = 432,644.93

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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.