Home / 628,839.59-943,405.58-179,566.61

Finding the Fourth Proportional to 628,839.59, 943,405.58 and 179,566.61

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Solution

The fourth proportional to 628,839.59, 943,405.58 and 179,566.61 is: 269,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,839.59 : 943,405.58 = 179,566.61 : x
  2. Step 2: Convert to fraction form
    628,839.59/943,405.58 = 179,566.61/x
  3. Step 3: Cross multiply
    628,839.59x = 943,405.58 × 179,566.61
  4. Step 4: Simplify right side
    628,839.59x = 169,404,137,587.57
  5. Step 5: Solve for x
    x = 169,404,137,587.57/628,839.59
  6. Step 6: Final answer
    x = 269,391.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.