Home / 1,511,456.74-2,085,801.16-832,388.38

Finding the Fourth Proportional to 1,511,456.74, 2,085,801.16 and 832,388.38

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Solution

The fourth proportional to 1,511,456.74, 2,085,801.16 and 832,388.38 is: 1,148,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,456.74 : 2,085,801.16 = 832,388.38 : x
  2. Step 2: Convert to fraction form
    1,511,456.74/2,085,801.16 = 832,388.38/x
  3. Step 3: Cross multiply
    1,511,456.74x = 2,085,801.16 × 832,388.38
  4. Step 4: Simplify right side
    1,511,456.74x = 1,736,196,648,574.52
  5. Step 5: Solve for x
    x = 1,736,196,648,574.52/1,511,456.74
  6. Step 6: Final answer
    x = 1,148,690.93

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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.