Home / 1,252,181.70-1,878,241.23-684,114.66

Finding the Fourth Proportional to 1,252,181.70, 1,878,241.23 and 684,114.66

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Solution

The fourth proportional to 1,252,181.70, 1,878,241.23 and 684,114.66 is: 1,026,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,181.70 : 1,878,241.23 = 684,114.66 : x
  2. Step 2: Convert to fraction form
    1,252,181.70/1,878,241.23 = 684,114.66/x
  3. Step 3: Cross multiply
    1,252,181.70x = 1,878,241.23 × 684,114.66
  4. Step 4: Simplify right side
    1,252,181.70x = 1,284,932,360,459.43
  5. Step 5: Solve for x
    x = 1,284,932,360,459.43/1,252,181.70
  6. Step 6: Final answer
    x = 1,026,154.88

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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.