Home / 454,911.06-627,574.26-263,813.70

Finding the Fourth Proportional to 454,911.06, 627,574.26 and 263,813.70

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Solution

The fourth proportional to 454,911.06, 627,574.26 and 263,813.70 is: 363,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,911.06 : 627,574.26 = 263,813.70 : x
  2. Step 2: Convert to fraction form
    454,911.06/627,574.26 = 263,813.70/x
  3. Step 3: Cross multiply
    454,911.06x = 627,574.26 × 263,813.70
  4. Step 4: Simplify right side
    454,911.06x = 165,562,687,555.36
  5. Step 5: Solve for x
    x = 165,562,687,555.36/454,911.06
  6. Step 6: Final answer
    x = 363,945.18

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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.