Home / 942,661.92-1,414,214.30-311,575.72

Finding the Fourth Proportional to 942,661.92, 1,414,214.30 and 311,575.72

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Solution

The fourth proportional to 942,661.92, 1,414,214.30 and 311,575.72 is: 467,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,661.92 : 1,414,214.30 = 311,575.72 : x
  2. Step 2: Convert to fraction form
    942,661.92/1,414,214.30 = 311,575.72/x
  3. Step 3: Cross multiply
    942,661.92x = 1,414,214.30 × 311,575.72
  4. Step 4: Simplify right side
    942,661.92x = 440,634,838,756.80
  5. Step 5: Solve for x
    x = 440,634,838,756.80/942,661.92
  6. Step 6: Final answer
    x = 467,436.77

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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.