Home / 1,137,109.64-1,568,644.79-677,900.63

Finding the Fourth Proportional to 1,137,109.64, 1,568,644.79 and 677,900.63

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Solution

The fourth proportional to 1,137,109.64, 1,568,644.79 and 677,900.63 is: 935,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,109.64 : 1,568,644.79 = 677,900.63 : x
  2. Step 2: Convert to fraction form
    1,137,109.64/1,568,644.79 = 677,900.63/x
  3. Step 3: Cross multiply
    1,137,109.64x = 1,568,644.79 × 677,900.63
  4. Step 4: Simplify right side
    1,137,109.64x = 1,063,385,280,154.49
  5. Step 5: Solve for x
    x = 1,063,385,280,154.49/1,137,109.64
  6. Step 6: Final answer
    x = 935,165.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.