Home / 967,447.20-1,451,182.95-257,470.86

Finding the Fourth Proportional to 967,447.20, 1,451,182.95 and 257,470.86

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Solution

The fourth proportional to 967,447.20, 1,451,182.95 and 257,470.86 is: 386,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,447.20 : 1,451,182.95 = 257,470.86 : x
  2. Step 2: Convert to fraction form
    967,447.20/1,451,182.95 = 257,470.86/x
  3. Step 3: Cross multiply
    967,447.20x = 1,451,182.95 × 257,470.86
  4. Step 4: Simplify right side
    967,447.20x = 373,637,322,153.84
  5. Step 5: Solve for x
    x = 373,637,322,153.84/967,447.20
  6. Step 6: Final answer
    x = 386,209.52

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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.