Home / 826,986.56-1,141,176.48-469,290.56

Finding the Fourth Proportional to 826,986.56, 1,141,176.48 and 469,290.56

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Solution

The fourth proportional to 826,986.56, 1,141,176.48 and 469,290.56 is: 647,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,986.56 : 1,141,176.48 = 469,290.56 : x
  2. Step 2: Convert to fraction form
    826,986.56/1,141,176.48 = 469,290.56/x
  3. Step 3: Cross multiply
    826,986.56x = 1,141,176.48 × 469,290.56
  4. Step 4: Simplify right side
    826,986.56x = 535,543,349,358.03
  5. Step 5: Solve for x
    x = 535,543,349,358.03/826,986.56
  6. Step 6: Final answer
    x = 647,584.10

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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.