Home / 743,923.80-1,115,885.70-182,958.30

Finding the Fourth Proportional to 743,923.80, 1,115,885.70 and 182,958.30

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Solution

The fourth proportional to 743,923.80, 1,115,885.70 and 182,958.30 is: 274,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,923.80 : 1,115,885.70 = 182,958.30 : x
  2. Step 2: Convert to fraction form
    743,923.80/1,115,885.70 = 182,958.30/x
  3. Step 3: Cross multiply
    743,923.80x = 1,115,885.70 × 182,958.30
  4. Step 4: Simplify right side
    743,923.80x = 204,160,550,666.31
  5. Step 5: Solve for x
    x = 204,160,550,666.31/743,923.80
  6. Step 6: Final answer
    x = 274,437.45

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Double scale
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Similar ratio
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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.