Home / 1,025,918.10-1,415,939.20-694,623.78

Finding the Fourth Proportional to 1,025,918.10, 1,415,939.20 and 694,623.78

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Solution

The fourth proportional to 1,025,918.10, 1,415,939.20 and 694,623.78 is: 958,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,918.10 : 1,415,939.20 = 694,623.78 : x
  2. Step 2: Convert to fraction form
    1,025,918.10/1,415,939.20 = 694,623.78/x
  3. Step 3: Cross multiply
    1,025,918.10x = 1,415,939.20 × 694,623.78
  4. Step 4: Simplify right side
    1,025,918.10x = 983,545,037,617.62
  5. Step 5: Solve for x
    x = 983,545,037,617.62/1,025,918.10
  6. Step 6: Final answer
    x = 958,697.42

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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.