Home / 1,193,128.12-1,646,517.08-656,584.12

Finding the Fourth Proportional to 1,193,128.12, 1,646,517.08 and 656,584.12

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Solution

The fourth proportional to 1,193,128.12, 1,646,517.08 and 656,584.12 is: 906,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,128.12 : 1,646,517.08 = 656,584.12 : x
  2. Step 2: Convert to fraction form
    1,193,128.12/1,646,517.08 = 656,584.12/x
  3. Step 3: Cross multiply
    1,193,128.12x = 1,646,517.08 × 656,584.12
  4. Step 4: Simplify right side
    1,193,128.12x = 1,081,076,968,036.77
  5. Step 5: Solve for x
    x = 1,081,076,968,036.77/1,193,128.12
  6. Step 6: Final answer
    x = 906,086.24

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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.