Home / 984,205.38-1,475,783.19-509,713.86

Finding the Fourth Proportional to 984,205.38, 1,475,783.19 and 509,713.86

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Solution

The fourth proportional to 984,205.38, 1,475,783.19 and 509,713.86 is: 764,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,205.38 : 1,475,783.19 = 509,713.86 : x
  2. Step 2: Convert to fraction form
    984,205.38/1,475,783.19 = 509,713.86/x
  3. Step 3: Cross multiply
    984,205.38x = 1,475,783.19 × 509,713.86
  4. Step 4: Simplify right side
    984,205.38x = 752,227,146,298.01
  5. Step 5: Solve for x
    x = 752,227,146,298.01/984,205.38
  6. Step 6: Final answer
    x = 764,298.96

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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.