Home / 598,631.39-826,128.69-326,716.73

Finding the Fourth Proportional to 598,631.39, 826,128.69 and 326,716.73

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Solution

The fourth proportional to 598,631.39, 826,128.69 and 326,716.73 is: 450,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,631.39 : 826,128.69 = 326,716.73 : x
  2. Step 2: Convert to fraction form
    598,631.39/826,128.69 = 326,716.73/x
  3. Step 3: Cross multiply
    598,631.39x = 826,128.69 × 326,716.73
  4. Step 4: Simplify right side
    598,631.39x = 269,910,064,155.98
  5. Step 5: Solve for x
    x = 269,910,064,155.98/598,631.39
  6. Step 6: Final answer
    x = 450,878.57

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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.