Home / 593,440.11-818,947.56-321,509.88

Finding the Fourth Proportional to 593,440.11, 818,947.56 and 321,509.88

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Solution

The fourth proportional to 593,440.11, 818,947.56 and 321,509.88 is: 443,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,440.11 : 818,947.56 = 321,509.88 : x
  2. Step 2: Convert to fraction form
    593,440.11/818,947.56 = 321,509.88/x
  3. Step 3: Cross multiply
    593,440.11x = 818,947.56 × 321,509.88
  4. Step 4: Simplify right side
    593,440.11x = 263,299,731,741.89
  5. Step 5: Solve for x
    x = 263,299,731,741.89/593,440.11
  6. Step 6: Final answer
    x = 443,683.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.