Home / 980,392.17-1,352,911.72-544,808.05

Finding the Fourth Proportional to 980,392.17, 1,352,911.72 and 544,808.05

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Solution

The fourth proportional to 980,392.17, 1,352,911.72 and 544,808.05 is: 751,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,392.17 : 1,352,911.72 = 544,808.05 : x
  2. Step 2: Convert to fraction form
    980,392.17/1,352,911.72 = 544,808.05/x
  3. Step 3: Cross multiply
    980,392.17x = 1,352,911.72 × 544,808.05
  4. Step 4: Simplify right side
    980,392.17x = 737,077,195,995.35
  5. Step 5: Solve for x
    x = 737,077,195,995.35/980,392.17
  6. Step 6: Final answer
    x = 751,818.73

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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.