Home / 1,416,784.11-1,955,163.56-772,204.83

Finding the Fourth Proportional to 1,416,784.11, 1,955,163.56 and 772,204.83

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Solution

The fourth proportional to 1,416,784.11, 1,955,163.56 and 772,204.83 is: 1,065,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,784.11 : 1,955,163.56 = 772,204.83 : x
  2. Step 2: Convert to fraction form
    1,416,784.11/1,955,163.56 = 772,204.83/x
  3. Step 3: Cross multiply
    1,416,784.11x = 1,955,163.56 × 772,204.83
  4. Step 4: Simplify right side
    1,416,784.11x = 1,509,786,740,610.97
  5. Step 5: Solve for x
    x = 1,509,786,740,610.97/1,416,784.11
  6. Step 6: Final answer
    x = 1,065,643.47

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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.