Home / 1,189,040.64-1,783,562.20-557,955.06

Finding the Fourth Proportional to 1,189,040.64, 1,783,562.20 and 557,955.06

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Solution

The fourth proportional to 1,189,040.64, 1,783,562.20 and 557,955.06 is: 836,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,040.64 : 1,783,562.20 = 557,955.06 : x
  2. Step 2: Convert to fraction form
    1,189,040.64/1,783,562.20 = 557,955.06/x
  3. Step 3: Cross multiply
    1,189,040.64x = 1,783,562.20 × 557,955.06
  4. Step 4: Simplify right side
    1,189,040.64x = 995,147,554,314.73
  5. Step 5: Solve for x
    x = 995,147,554,314.73/1,189,040.64
  6. Step 6: Final answer
    x = 836,933.17

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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.