Home / 1,447,157.58-1,997,200.14-802,785.39

Finding the Fourth Proportional to 1,447,157.58, 1,997,200.14 and 802,785.39

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Solution

The fourth proportional to 1,447,157.58, 1,997,200.14 and 802,785.39 is: 1,107,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,157.58 : 1,997,200.14 = 802,785.39 : x
  2. Step 2: Convert to fraction form
    1,447,157.58/1,997,200.14 = 802,785.39/x
  3. Step 3: Cross multiply
    1,447,157.58x = 1,997,200.14 × 802,785.39
  4. Step 4: Simplify right side
    1,447,157.58x = 1,603,323,093,297.95
  5. Step 5: Solve for x
    x = 1,603,323,093,297.95/1,447,157.58
  6. Step 6: Final answer
    x = 1,107,911.89

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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.