Home / 1,397,354.40-2,096,031.60-639,194.40

Finding the Fourth Proportional to 1,397,354.40, 2,096,031.60 and 639,194.40

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Solution

The fourth proportional to 1,397,354.40, 2,096,031.60 and 639,194.40 is: 958,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,354.40 : 2,096,031.60 = 639,194.40 : x
  2. Step 2: Convert to fraction form
    1,397,354.40/2,096,031.60 = 639,194.40/x
  3. Step 3: Cross multiply
    1,397,354.40x = 2,096,031.60 × 639,194.40
  4. Step 4: Simplify right side
    1,397,354.40x = 1,339,771,660,943.04
  5. Step 5: Solve for x
    x = 1,339,771,660,943.04/1,397,354.40
  6. Step 6: Final answer
    x = 958,791.60

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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.