Home / 1,057,285-1,458,389.46-627,260.68

Finding the Fourth Proportional to 1,057,285, 1,458,389.46 and 627,260.68

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Solution

The fourth proportional to 1,057,285, 1,458,389.46 and 627,260.68 is: 865,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,285 : 1,458,389.46 = 627,260.68 : x
  2. Step 2: Convert to fraction form
    1,057,285/1,458,389.46 = 627,260.68/x
  3. Step 3: Cross multiply
    1,057,285x = 1,458,389.46 × 627,260.68
  4. Step 4: Simplify right side
    1,057,285x = 914,790,364,384.43
  5. Step 5: Solve for x
    x = 914,790,364,384.43/1,057,285
  6. Step 6: Final answer
    x = 865,225.90

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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.