Home / 1,200,201.29-1,656,261.84-683,985.92

Finding the Fourth Proportional to 1,200,201.29, 1,656,261.84 and 683,985.92

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Solution

The fourth proportional to 1,200,201.29, 1,656,261.84 and 683,985.92 is: 943,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,201.29 : 1,656,261.84 = 683,985.92 : x
  2. Step 2: Convert to fraction form
    1,200,201.29/1,656,261.84 = 683,985.92/x
  3. Step 3: Cross multiply
    1,200,201.29x = 1,656,261.84 × 683,985.92
  4. Step 4: Simplify right side
    1,200,201.29x = 1,132,859,778,393.29
  5. Step 5: Solve for x
    x = 1,132,859,778,393.29/1,200,201.29
  6. Step 6: Final answer
    x = 943,891.49

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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.