Home / 741,664.20-1,112,496.30-209,178.30

Finding the Fourth Proportional to 741,664.20, 1,112,496.30 and 209,178.30

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Solution

The fourth proportional to 741,664.20, 1,112,496.30 and 209,178.30 is: 313,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,664.20 : 1,112,496.30 = 209,178.30 : x
  2. Step 2: Convert to fraction form
    741,664.20/1,112,496.30 = 209,178.30/x
  3. Step 3: Cross multiply
    741,664.20x = 1,112,496.30 × 209,178.30
  4. Step 4: Simplify right side
    741,664.20x = 232,710,084,790.29
  5. Step 5: Solve for x
    x = 232,710,084,790.29/741,664.20
  6. Step 6: Final answer
    x = 313,767.45

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Half scale
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Double scale
Find fourth proportional to 741,665.20, 1,112,497.80 and 209,179.30
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.