Home / 1,201,965.03-1,658,711.88-658,100.88

Finding the Fourth Proportional to 1,201,965.03, 1,658,711.88 and 658,100.88

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Solution

The fourth proportional to 1,201,965.03, 1,658,711.88 and 658,100.88 is: 908,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,965.03 : 1,658,711.88 = 658,100.88 : x
  2. Step 2: Convert to fraction form
    1,201,965.03/1,658,711.88 = 658,100.88/x
  3. Step 3: Cross multiply
    1,201,965.03x = 1,658,711.88 × 658,100.88
  4. Step 4: Simplify right side
    1,201,965.03x = 1,091,599,747,894.45
  5. Step 5: Solve for x
    x = 1,091,599,747,894.45/1,201,965.03
  6. Step 6: Final answer
    x = 908,179.29

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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.