Home / 683,542.99-943,145.13-396,914.77

Finding the Fourth Proportional to 683,542.99, 943,145.13 and 396,914.77

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Solution

The fourth proportional to 683,542.99, 943,145.13 and 396,914.77 is: 547,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,542.99 : 943,145.13 = 396,914.77 : x
  2. Step 2: Convert to fraction form
    683,542.99/943,145.13 = 396,914.77/x
  3. Step 3: Cross multiply
    683,542.99x = 943,145.13 × 396,914.77
  4. Step 4: Simplify right side
    683,542.99x = 374,348,232,350.57
  5. Step 5: Solve for x
    x = 374,348,232,350.57/683,542.99
  6. Step 6: Final answer
    x = 547,658.65

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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.