Home / 778,265.88-1,073,960.66-451,553.58

Finding the Fourth Proportional to 778,265.88, 1,073,960.66 and 451,553.58

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Solution

The fourth proportional to 778,265.88, 1,073,960.66 and 451,553.58 is: 623,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,265.88 : 1,073,960.66 = 451,553.58 : x
  2. Step 2: Convert to fraction form
    778,265.88/1,073,960.66 = 451,553.58/x
  3. Step 3: Cross multiply
    778,265.88x = 1,073,960.66 × 451,553.58
  4. Step 4: Simplify right side
    778,265.88x = 484,950,778,544.40
  5. Step 5: Solve for x
    x = 484,950,778,544.40/778,265.88
  6. Step 6: Final answer
    x = 623,117.10

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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.