Home / 1,054,278.72-1,454,854.77-624,489.48

Finding the Fourth Proportional to 1,054,278.72, 1,454,854.77 and 624,489.48

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Solution

The fourth proportional to 1,054,278.72, 1,454,854.77 and 624,489.48 is: 861,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,278.72 : 1,454,854.77 = 624,489.48 : x
  2. Step 2: Convert to fraction form
    1,054,278.72/1,454,854.77 = 624,489.48/x
  3. Step 3: Cross multiply
    1,054,278.72x = 1,454,854.77 × 624,489.48
  4. Step 4: Simplify right side
    1,054,278.72x = 908,541,498,792.82
  5. Step 5: Solve for x
    x = 908,541,498,792.82/1,054,278.72
  6. Step 6: Final answer
    x = 861,765.95

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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.