Home / 1,382,695.42-2,074,040.70-540,656.68

Finding the Fourth Proportional to 1,382,695.42, 2,074,040.70 and 540,656.68

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Solution

The fourth proportional to 1,382,695.42, 2,074,040.70 and 540,656.68 is: 810,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,695.42 : 2,074,040.70 = 540,656.68 : x
  2. Step 2: Convert to fraction form
    1,382,695.42/2,074,040.70 = 540,656.68/x
  3. Step 3: Cross multiply
    1,382,695.42x = 2,074,040.70 × 540,656.68
  4. Step 4: Simplify right side
    1,382,695.42x = 1,121,343,959,046.88
  5. Step 5: Solve for x
    x = 1,121,343,959,046.88/1,382,695.42
  6. Step 6: Final answer
    x = 810,984.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.