Home / 1,193,653.19-1,648,720.91-866,443.43

Finding the Fourth Proportional to 1,193,653.19, 1,648,720.91 and 866,443.43

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Solution

The fourth proportional to 1,193,653.19, 1,648,720.91 and 866,443.43 is: 1,196,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,653.19 : 1,648,720.91 = 866,443.43 : x
  2. Step 2: Convert to fraction form
    1,193,653.19/1,648,720.91 = 866,443.43/x
  3. Step 3: Cross multiply
    1,193,653.19x = 1,648,720.91 × 866,443.43
  4. Step 4: Simplify right side
    1,193,653.19x = 1,428,523,400,373.12
  5. Step 5: Solve for x
    x = 1,428,523,400,373.12/1,193,653.19
  6. Step 6: Final answer
    x = 1,196,765.87

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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.