Home / 816,528.79-1,126,872.57-453,982.51

Finding the Fourth Proportional to 816,528.79, 1,126,872.57 and 453,982.51

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Solution

The fourth proportional to 816,528.79, 1,126,872.57 and 453,982.51 is: 626,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,528.79 : 1,126,872.57 = 453,982.51 : x
  2. Step 2: Convert to fraction form
    816,528.79/1,126,872.57 = 453,982.51/x
  3. Step 3: Cross multiply
    816,528.79x = 1,126,872.57 × 453,982.51
  4. Step 4: Simplify right side
    816,528.79x = 511,580,437,778.75
  5. Step 5: Solve for x
    x = 511,580,437,778.75/816,528.79
  6. Step 6: Final answer
    x = 626,530.80

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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.