Home / 516,222.55-774,826.35-316,932.17

Finding the Fourth Proportional to 516,222.55, 774,826.35 and 316,932.17

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Solution

The fourth proportional to 516,222.55, 774,826.35 and 316,932.17 is: 475,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,222.55 : 774,826.35 = 316,932.17 : x
  2. Step 2: Convert to fraction form
    516,222.55/774,826.35 = 316,932.17/x
  3. Step 3: Cross multiply
    516,222.55x = 774,826.35 × 316,932.17
  4. Step 4: Simplify right side
    516,222.55x = 245,567,398,415.75
  5. Step 5: Solve for x
    x = 245,567,398,415.75/516,222.55
  6. Step 6: Final answer
    x = 475,700.64

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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.