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Finding the Fourth Proportional to 1,300,367.57, 1,794,867.88 and 756,608.39

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Solution

The fourth proportional to 1,300,367.57, 1,794,867.88 and 756,608.39 is: 1,044,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,367.57 : 1,794,867.88 = 756,608.39 : x
  2. Step 2: Convert to fraction form
    1,300,367.57/1,794,867.88 = 756,608.39/x
  3. Step 3: Cross multiply
    1,300,367.57x = 1,794,867.88 × 756,608.39
  4. Step 4: Simplify right side
    1,300,367.57x = 1,358,012,087,975.17
  5. Step 5: Solve for x
    x = 1,358,012,087,975.17/1,300,367.57
  6. Step 6: Final answer
    x = 1,044,329.40

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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.