Home / 1,200,173.03-1,656,267.60-683,915.88

Finding the Fourth Proportional to 1,200,173.03, 1,656,267.60 and 683,915.88

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Solution

The fourth proportional to 1,200,173.03, 1,656,267.60 and 683,915.88 is: 943,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,173.03 : 1,656,267.60 = 683,915.88 : x
  2. Step 2: Convert to fraction form
    1,200,173.03/1,656,267.60 = 683,915.88/x
  3. Step 3: Cross multiply
    1,200,173.03x = 1,656,267.60 × 683,915.88
  4. Step 4: Simplify right side
    1,200,173.03x = 1,132,747,707,117.34
  5. Step 5: Solve for x
    x = 1,132,747,707,117.34/1,200,173.03
  6. Step 6: Final answer
    x = 943,820.33

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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.