Home / 1,685,967.40-2,528,951.10-1,172,241.10

Finding the Fourth Proportional to 1,685,967.40, 2,528,951.10 and 1,172,241.10

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Solution

The fourth proportional to 1,685,967.40, 2,528,951.10 and 1,172,241.10 is: 1,758,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,967.40 : 2,528,951.10 = 1,172,241.10 : x
  2. Step 2: Convert to fraction form
    1,685,967.40/2,528,951.10 = 1,172,241.10/x
  3. Step 3: Cross multiply
    1,685,967.40x = 2,528,951.10 × 1,172,241.10
  4. Step 4: Simplify right side
    1,685,967.40x = 2,964,540,419,310.21
  5. Step 5: Solve for x
    x = 2,964,540,419,310.21/1,685,967.40
  6. Step 6: Final answer
    x = 1,758,361.65

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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.