Home / 826,356.33-1,140,824.23-578,379.95

Finding the Fourth Proportional to 826,356.33, 1,140,824.23 and 578,379.95

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Solution

The fourth proportional to 826,356.33, 1,140,824.23 and 578,379.95 is: 798,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,356.33 : 1,140,824.23 = 578,379.95 : x
  2. Step 2: Convert to fraction form
    826,356.33/1,140,824.23 = 578,379.95/x
  3. Step 3: Cross multiply
    826,356.33x = 1,140,824.23 × 578,379.95
  4. Step 4: Simplify right side
    826,356.33x = 659,829,855,402.07
  5. Step 5: Solve for x
    x = 659,829,855,402.07/826,356.33
  6. Step 6: Final answer
    x = 798,481.03

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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.