Home / 686,714.96-1,030,131-188,079.44

Finding the Fourth Proportional to 686,714.96, 1,030,131 and 188,079.44

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Solution

The fourth proportional to 686,714.96, 1,030,131 and 188,079.44 is: 282,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,714.96 : 1,030,131 = 188,079.44 : x
  2. Step 2: Convert to fraction form
    686,714.96/1,030,131 = 188,079.44/x
  3. Step 3: Cross multiply
    686,714.96x = 1,030,131 × 188,079.44
  4. Step 4: Simplify right side
    686,714.96x = 193,746,461,606.64
  5. Step 5: Solve for x
    x = 193,746,461,606.64/686,714.96
  6. Step 6: Final answer
    x = 282,135.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.