Home / 1,286,035.26-1,929,052.94-433,035.51

Finding the Fourth Proportional to 1,286,035.26, 1,929,052.94 and 433,035.51

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Solution

The fourth proportional to 1,286,035.26, 1,929,052.94 and 433,035.51 is: 649,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,035.26 : 1,929,052.94 = 433,035.51 : x
  2. Step 2: Convert to fraction form
    1,286,035.26/1,929,052.94 = 433,035.51/x
  3. Step 3: Cross multiply
    1,286,035.26x = 1,929,052.94 × 433,035.51
  4. Step 4: Simplify right side
    1,286,035.26x = 835,348,423,369.97
  5. Step 5: Solve for x
    x = 835,348,423,369.97/1,286,035.26
  6. Step 6: Final answer
    x = 649,553.28

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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.