Home / 1,769,830.60-2,656,128.30-823,318.60

Finding the Fourth Proportional to 1,769,830.60, 2,656,128.30 and 823,318.60

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Solution

The fourth proportional to 1,769,830.60, 2,656,128.30 and 823,318.60 is: 1,235,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,830.60 : 2,656,128.30 = 823,318.60 : x
  2. Step 2: Convert to fraction form
    1,769,830.60/2,656,128.30 = 823,318.60/x
  3. Step 3: Cross multiply
    1,769,830.60x = 2,656,128.30 × 823,318.60
  4. Step 4: Simplify right side
    1,769,830.60x = 2,186,839,833,376.38
  5. Step 5: Solve for x
    x = 2,186,839,833,376.38/1,769,830.60
  6. Step 6: Final answer
    x = 1,235,620.99

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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.