Home / 1,081,162.76-1,492,241.46-628,714.76

Finding the Fourth Proportional to 1,081,162.76, 1,492,241.46 and 628,714.76

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Solution

The fourth proportional to 1,081,162.76, 1,492,241.46 and 628,714.76 is: 867,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,162.76 : 1,492,241.46 = 628,714.76 : x
  2. Step 2: Convert to fraction form
    1,081,162.76/1,492,241.46 = 628,714.76/x
  3. Step 3: Cross multiply
    1,081,162.76x = 1,492,241.46 × 628,714.76
  4. Step 4: Simplify right side
    1,081,162.76x = 938,194,231,385.95
  5. Step 5: Solve for x
    x = 938,194,231,385.95/1,081,162.76
  6. Step 6: Final answer
    x = 867,764.10

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Double scale
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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.