Home / 683,645.29-943,449.52-377,741.38

Finding the Fourth Proportional to 683,645.29, 943,449.52 and 377,741.38

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Solution

The fourth proportional to 683,645.29, 943,449.52 and 377,741.38 is: 521,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,645.29 : 943,449.52 = 377,741.38 : x
  2. Step 2: Convert to fraction form
    683,645.29/943,449.52 = 377,741.38/x
  3. Step 3: Cross multiply
    683,645.29x = 943,449.52 × 377,741.38
  4. Step 4: Simplify right side
    683,645.29x = 356,379,917,039.18
  5. Step 5: Solve for x
    x = 356,379,917,039.18/683,645.29
  6. Step 6: Final answer
    x = 521,293.61

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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.