Home / 628,841.40-943,189.20-179,631.60

Finding the Fourth Proportional to 628,841.40, 943,189.20 and 179,631.60

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Solution

The fourth proportional to 628,841.40, 943,189.20 and 179,631.60 is: 269,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,841.40 : 943,189.20 = 179,631.60 : x
  2. Step 2: Convert to fraction form
    628,841.40/943,189.20 = 179,631.60/x
  3. Step 3: Cross multiply
    628,841.40x = 943,189.20 × 179,631.60
  4. Step 4: Simplify right side
    628,841.40x = 169,426,585,098.72
  5. Step 5: Solve for x
    x = 169,426,585,098.72/628,841.40
  6. Step 6: Final answer
    x = 269,426.58

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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.