Home / 991,980.62-1,369,059.88-584,120.41

Finding the Fourth Proportional to 991,980.62, 1,369,059.88 and 584,120.41

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Solution

The fourth proportional to 991,980.62, 1,369,059.88 and 584,120.41 is: 806,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,980.62 : 1,369,059.88 = 584,120.41 : x
  2. Step 2: Convert to fraction form
    991,980.62/1,369,059.88 = 584,120.41/x
  3. Step 3: Cross multiply
    991,980.62x = 1,369,059.88 × 584,120.41
  4. Step 4: Simplify right side
    991,980.62x = 799,695,818,420.15
  5. Step 5: Solve for x
    x = 799,695,818,420.15/991,980.62
  6. Step 6: Final answer
    x = 806,160.73

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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.