Home / 1,144,388.17-1,579,151.35-679,161.78

Finding the Fourth Proportional to 1,144,388.17, 1,579,151.35 and 679,161.78

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Solution

The fourth proportional to 1,144,388.17, 1,579,151.35 and 679,161.78 is: 937,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,388.17 : 1,579,151.35 = 679,161.78 : x
  2. Step 2: Convert to fraction form
    1,144,388.17/1,579,151.35 = 679,161.78/x
  3. Step 3: Cross multiply
    1,144,388.17x = 1,579,151.35 × 679,161.78
  4. Step 4: Simplify right side
    1,144,388.17x = 1,072,499,238,784.07
  5. Step 5: Solve for x
    x = 1,072,499,238,784.07/1,144,388.17
  6. Step 6: Final answer
    x = 937,181.34

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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.