Home / 565,128.18-779,425.85-371,734.52

Finding the Fourth Proportional to 565,128.18, 779,425.85 and 371,734.52

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Solution

The fourth proportional to 565,128.18, 779,425.85 and 371,734.52 is: 512,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,128.18 : 779,425.85 = 371,734.52 : x
  2. Step 2: Convert to fraction form
    565,128.18/779,425.85 = 371,734.52/x
  3. Step 3: Cross multiply
    565,128.18x = 779,425.85 × 371,734.52
  4. Step 4: Simplify right side
    565,128.18x = 289,739,488,469.54
  5. Step 5: Solve for x
    x = 289,739,488,469.54/565,128.18
  6. Step 6: Final answer
    x = 512,696.94

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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.