Home / 790,714.62-1,090,370.57-676,371.78

Finding the Fourth Proportional to 790,714.62, 1,090,370.57 and 676,371.78

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Solution

The fourth proportional to 790,714.62, 1,090,370.57 and 676,371.78 is: 932,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,714.62 : 1,090,370.57 = 676,371.78 : x
  2. Step 2: Convert to fraction form
    790,714.62/1,090,370.57 = 676,371.78/x
  3. Step 3: Cross multiply
    790,714.62x = 1,090,370.57 × 676,371.78
  4. Step 4: Simplify right side
    790,714.62x = 737,495,879,908.66
  5. Step 5: Solve for x
    x = 737,495,879,908.66/790,714.62
  6. Step 6: Final answer
    x = 932,695.39

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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.