Home / 509,964.30-764,946.45-244,243.80

Finding the Fourth Proportional to 509,964.30, 764,946.45 and 244,243.80

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Solution

The fourth proportional to 509,964.30, 764,946.45 and 244,243.80 is: 366,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,964.30 : 764,946.45 = 244,243.80 : x
  2. Step 2: Convert to fraction form
    509,964.30/764,946.45 = 244,243.80/x
  3. Step 3: Cross multiply
    509,964.30x = 764,946.45 × 244,243.80
  4. Step 4: Simplify right side
    509,964.30x = 186,833,427,744.51
  5. Step 5: Solve for x
    x = 186,833,427,744.51/509,964.30
  6. Step 6: Final answer
    x = 366,365.70

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Half scale
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Double scale
Find fourth proportional to 509,965.30, 764,947.95 and 244,244.80
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.