Home / 1,080,194.50-1,490,668.41-627,514.66

Finding the Fourth Proportional to 1,080,194.50, 1,490,668.41 and 627,514.66

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Solution

The fourth proportional to 1,080,194.50, 1,490,668.41 and 627,514.66 is: 865,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,194.50 : 1,490,668.41 = 627,514.66 : x
  2. Step 2: Convert to fraction form
    1,080,194.50/1,490,668.41 = 627,514.66/x
  3. Step 3: Cross multiply
    1,080,194.50x = 1,490,668.41 × 627,514.66
  4. Step 4: Simplify right side
    1,080,194.50x = 935,416,280,473.89
  5. Step 5: Solve for x
    x = 935,416,280,473.89/1,080,194.50
  6. Step 6: Final answer
    x = 865,970.23

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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.