Home / 980,519.31-1,353,252.85-550,832.13

Finding the Fourth Proportional to 980,519.31, 1,353,252.85 and 550,832.13

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Solution

The fourth proportional to 980,519.31, 1,353,252.85 and 550,832.13 is: 760,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,519.31 : 1,353,252.85 = 550,832.13 : x
  2. Step 2: Convert to fraction form
    980,519.31/1,353,252.85 = 550,832.13/x
  3. Step 3: Cross multiply
    980,519.31x = 1,353,252.85 × 550,832.13
  4. Step 4: Simplify right side
    980,519.31x = 745,415,149,794.07
  5. Step 5: Solve for x
    x = 745,415,149,794.07/980,519.31
  6. Step 6: Final answer
    x = 760,224.85

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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.