Home / 1,057,287-1,458,392.22-627,262.68

Finding the Fourth Proportional to 1,057,287, 1,458,392.22 and 627,262.68

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Solution

The fourth proportional to 1,057,287, 1,458,392.22 and 627,262.68 is: 865,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,287 : 1,458,392.22 = 627,262.68 : x
  2. Step 2: Convert to fraction form
    1,057,287/1,458,392.22 = 627,262.68/x
  3. Step 3: Cross multiply
    1,057,287x = 1,458,392.22 × 627,262.68
  4. Step 4: Simplify right side
    1,057,287x = 914,795,012,408.35
  5. Step 5: Solve for x
    x = 914,795,012,408.35/1,057,287
  6. Step 6: Final answer
    x = 865,228.66

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1.5x scale

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.