Home / 1,383,097.14-1,908,665.82-771,257.16

Finding the Fourth Proportional to 1,383,097.14, 1,908,665.82 and 771,257.16

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Solution

The fourth proportional to 1,383,097.14, 1,908,665.82 and 771,257.16 is: 1,064,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,097.14 : 1,908,665.82 = 771,257.16 : x
  2. Step 2: Convert to fraction form
    1,383,097.14/1,908,665.82 = 771,257.16/x
  3. Step 3: Cross multiply
    1,383,097.14x = 1,908,665.82 × 771,257.16
  4. Step 4: Simplify right side
    1,383,097.14x = 1,472,072,179,722.27
  5. Step 5: Solve for x
    x = 1,472,072,179,722.27/1,383,097.14
  6. Step 6: Final answer
    x = 1,064,330.29

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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.