Home / 1,112,318.89-1,668,974.59-512,958.31

Finding the Fourth Proportional to 1,112,318.89, 1,668,974.59 and 512,958.31

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Solution

The fourth proportional to 1,112,318.89, 1,668,974.59 and 512,958.31 is: 769,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,318.89 : 1,668,974.59 = 512,958.31 : x
  2. Step 2: Convert to fraction form
    1,112,318.89/1,668,974.59 = 512,958.31/x
  3. Step 3: Cross multiply
    1,112,318.89x = 1,668,974.59 × 512,958.31
  4. Step 4: Simplify right side
    1,112,318.89x = 856,114,385,119.34
  5. Step 5: Solve for x
    x = 856,114,385,119.34/1,112,318.89
  6. Step 6: Final answer
    x = 769,666.32

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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.