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Finding the Fourth Proportional to 1,314,676.32, 1,966,825.88 and 995,746.92

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Solution

The fourth proportional to 1,314,676.32, 1,966,825.88 and 995,746.92 is: 1,489,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,676.32 : 1,966,825.88 = 995,746.92 : x
  2. Step 2: Convert to fraction form
    1,314,676.32/1,966,825.88 = 995,746.92/x
  3. Step 3: Cross multiply
    1,314,676.32x = 1,966,825.88 × 995,746.92
  4. Step 4: Simplify right side
    1,314,676.32x = 1,958,460,812,186.29
  5. Step 5: Solve for x
    x = 1,958,460,812,186.29/1,314,676.32
  6. Step 6: Final answer
    x = 1,489,690.49

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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.