Home / 1,364,634.42-2,045,940.75-653,985.78

Finding the Fourth Proportional to 1,364,634.42, 2,045,940.75 and 653,985.78

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Solution

The fourth proportional to 1,364,634.42, 2,045,940.75 and 653,985.78 is: 980,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,634.42 : 2,045,940.75 = 653,985.78 : x
  2. Step 2: Convert to fraction form
    1,364,634.42/2,045,940.75 = 653,985.78/x
  3. Step 3: Cross multiply
    1,364,634.42x = 2,045,940.75 × 653,985.78
  4. Step 4: Simplify right side
    1,364,634.42x = 1,338,016,157,222.54
  5. Step 5: Solve for x
    x = 1,338,016,157,222.54/1,364,634.42
  6. Step 6: Final answer
    x = 980,494.22

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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.