Home / 1,965,706.76-2,948,557.66-617,987

Finding the Fourth Proportional to 1,965,706.76, 2,948,557.66 and 617,987

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Solution

The fourth proportional to 1,965,706.76, 2,948,557.66 and 617,987 is: 926,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,706.76 : 2,948,557.66 = 617,987 : x
  2. Step 2: Convert to fraction form
    1,965,706.76/2,948,557.66 = 617,987/x
  3. Step 3: Cross multiply
    1,965,706.76x = 2,948,557.66 × 617,987
  4. Step 4: Simplify right side
    1,965,706.76x = 1,822,170,302,630.42
  5. Step 5: Solve for x
    x = 1,822,170,302,630.42/1,965,706.76
  6. Step 6: Final answer
    x = 926,979.72

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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.