Home / 980,495.46-1,353,009.96-550,691.64

Finding the Fourth Proportional to 980,495.46, 1,353,009.96 and 550,691.64

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Solution

The fourth proportional to 980,495.46, 1,353,009.96 and 550,691.64 is: 759,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,495.46 : 1,353,009.96 = 550,691.64 : x
  2. Step 2: Convert to fraction form
    980,495.46/1,353,009.96 = 550,691.64/x
  3. Step 3: Cross multiply
    980,495.46x = 1,353,009.96 × 550,691.64
  4. Step 4: Simplify right side
    980,495.46x = 745,091,273,808.73
  5. Step 5: Solve for x
    x = 745,091,273,808.73/980,495.46
  6. Step 6: Final answer
    x = 759,913.03

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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.