Home / 757,896.41-1,045,860.30-431,178.66

Finding the Fourth Proportional to 757,896.41, 1,045,860.30 and 431,178.66

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Solution

The fourth proportional to 757,896.41, 1,045,860.30 and 431,178.66 is: 595,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,896.41 : 1,045,860.30 = 431,178.66 : x
  2. Step 2: Convert to fraction form
    757,896.41/1,045,860.30 = 431,178.66/x
  3. Step 3: Cross multiply
    757,896.41x = 1,045,860.30 × 431,178.66
  4. Step 4: Simplify right side
    757,896.41x = 450,952,642,701.20
  5. Step 5: Solve for x
    x = 450,952,642,701.20/757,896.41
  6. Step 6: Final answer
    x = 595,005.64

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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.