Home / 676,495.10-933,578.32-386,100.85

Finding the Fourth Proportional to 676,495.10, 933,578.32 and 386,100.85

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Solution

The fourth proportional to 676,495.10, 933,578.32 and 386,100.85 is: 532,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,495.10 : 933,578.32 = 386,100.85 : x
  2. Step 2: Convert to fraction form
    676,495.10/933,578.32 = 386,100.85/x
  3. Step 3: Cross multiply
    676,495.10x = 933,578.32 × 386,100.85
  4. Step 4: Simplify right side
    676,495.10x = 360,455,382,893.57
  5. Step 5: Solve for x
    x = 360,455,382,893.57/676,495.10
  6. Step 6: Final answer
    x = 532,827.78

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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.