Home / 1,252,838.83-1,728,918.71-679,879

Finding the Fourth Proportional to 1,252,838.83, 1,728,918.71 and 679,879

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Solution

The fourth proportional to 1,252,838.83, 1,728,918.71 and 679,879 is: 938,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,838.83 : 1,728,918.71 = 679,879 : x
  2. Step 2: Convert to fraction form
    1,252,838.83/1,728,918.71 = 679,879/x
  3. Step 3: Cross multiply
    1,252,838.83x = 1,728,918.71 × 679,879
  4. Step 4: Simplify right side
    1,252,838.83x = 1,175,455,523,636.09
  5. Step 5: Solve for x
    x = 1,175,455,523,636.09/1,252,838.83
  6. Step 6: Final answer
    x = 938,233.63

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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.