Home / 816,562.35-1,126,791.93-453,964.13

Finding the Fourth Proportional to 816,562.35, 1,126,791.93 and 453,964.13

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Solution

The fourth proportional to 816,562.35, 1,126,791.93 and 453,964.13 is: 626,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,562.35 : 1,126,791.93 = 453,964.13 : x
  2. Step 2: Convert to fraction form
    816,562.35/1,126,791.93 = 453,964.13/x
  3. Step 3: Cross multiply
    816,562.35x = 1,126,791.93 × 453,964.13
  4. Step 4: Simplify right side
    816,562.35x = 511,523,118,193.47
  5. Step 5: Solve for x
    x = 511,523,118,193.47/816,562.35
  6. Step 6: Final answer
    x = 626,434.86

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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.