Home / 896,674.09-1,339,296.45-811,153.38

Finding the Fourth Proportional to 896,674.09, 1,339,296.45 and 811,153.38

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Solution

The fourth proportional to 896,674.09, 1,339,296.45 and 811,153.38 is: 1,211,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,674.09 : 1,339,296.45 = 811,153.38 : x
  2. Step 2: Convert to fraction form
    896,674.09/1,339,296.45 = 811,153.38/x
  3. Step 3: Cross multiply
    896,674.09x = 1,339,296.45 × 811,153.38
  4. Step 4: Simplify right side
    896,674.09x = 1,086,374,842,239.50
  5. Step 5: Solve for x
    x = 1,086,374,842,239.50/896,674.09
  6. Step 6: Final answer
    x = 1,211,560.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.