Home / 980,164.38-1,352,560.20-550,484.48

Finding the Fourth Proportional to 980,164.38, 1,352,560.20 and 550,484.48

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Solution

The fourth proportional to 980,164.38, 1,352,560.20 and 550,484.48 is: 759,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,164.38 : 1,352,560.20 = 550,484.48 : x
  2. Step 2: Convert to fraction form
    980,164.38/1,352,560.20 = 550,484.48/x
  3. Step 3: Cross multiply
    980,164.38x = 1,352,560.20 × 550,484.48
  4. Step 4: Simplify right side
    980,164.38x = 744,563,398,365.70
  5. Step 5: Solve for x
    x = 744,563,398,365.70/980,164.38
  6. Step 6: Final answer
    x = 759,631.15

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1.5x scale

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.