Home / 1,066,940.60-1,598,078.10-828,411.80

Finding the Fourth Proportional to 1,066,940.60, 1,598,078.10 and 828,411.80

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Solution

The fourth proportional to 1,066,940.60, 1,598,078.10 and 828,411.80 is: 1,240,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,940.60 : 1,598,078.10 = 828,411.80 : x
  2. Step 2: Convert to fraction form
    1,066,940.60/1,598,078.10 = 828,411.80/x
  3. Step 3: Cross multiply
    1,066,940.60x = 1,598,078.10 × 828,411.80
  4. Step 4: Simplify right side
    1,066,940.60x = 1,323,866,755,361.58
  5. Step 5: Solve for x
    x = 1,323,866,755,361.58/1,066,940.60
  6. Step 6: Final answer
    x = 1,240,806.43

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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.