Home / 697,035.10-1,045,578.40-191,635.58

Finding the Fourth Proportional to 697,035.10, 1,045,578.40 and 191,635.58

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Solution

The fourth proportional to 697,035.10, 1,045,578.40 and 191,635.58 is: 287,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,035.10 : 1,045,578.40 = 191,635.58 : x
  2. Step 2: Convert to fraction form
    697,035.10/1,045,578.40 = 191,635.58/x
  3. Step 3: Cross multiply
    697,035.10x = 1,045,578.40 × 191,635.58
  4. Step 4: Simplify right side
    697,035.10x = 200,370,016,933.40
  5. Step 5: Solve for x
    x = 200,370,016,933.40/697,035.10
  6. Step 6: Final answer
    x = 287,460.44

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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.