Home / 1,310,433.42-1,965,898.26-511,664.46

Finding the Fourth Proportional to 1,310,433.42, 1,965,898.26 and 511,664.46

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Solution

The fourth proportional to 1,310,433.42, 1,965,898.26 and 511,664.46 is: 767,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,433.42 : 1,965,898.26 = 511,664.46 : x
  2. Step 2: Convert to fraction form
    1,310,433.42/1,965,898.26 = 511,664.46/x
  3. Step 3: Cross multiply
    1,310,433.42x = 1,965,898.26 × 511,664.46
  4. Step 4: Simplify right side
    1,310,433.42x = 1,005,880,271,617.84
  5. Step 5: Solve for x
    x = 1,005,880,271,617.84/1,310,433.42
  6. Step 6: Final answer
    x = 767,593.57

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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.