Home / 1,415,525-2,124,200.97-516,891.50

Finding the Fourth Proportional to 1,415,525, 2,124,200.97 and 516,891.50

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Solution

The fourth proportional to 1,415,525, 2,124,200.97 and 516,891.50 is: 775,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,525 : 2,124,200.97 = 516,891.50 : x
  2. Step 2: Convert to fraction form
    1,415,525/2,124,200.97 = 516,891.50/x
  3. Step 3: Cross multiply
    1,415,525x = 2,124,200.97 × 516,891.50
  4. Step 4: Simplify right side
    1,415,525x = 1,097,981,425,684.76
  5. Step 5: Solve for x
    x = 1,097,981,425,684.76/1,415,525
  6. Step 6: Final answer
    x = 775,670.81

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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.