Home / 593,437.12-818,943.41-321,506.89

Finding the Fourth Proportional to 593,437.12, 818,943.41 and 321,506.89

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Solution

The fourth proportional to 593,437.12, 818,943.41 and 321,506.89 is: 443,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,437.12 : 818,943.41 = 321,506.89 : x
  2. Step 2: Convert to fraction form
    593,437.12/818,943.41 = 321,506.89/x
  3. Step 3: Cross multiply
    593,437.12x = 818,943.41 × 321,506.89
  4. Step 4: Simplify right side
    593,437.12x = 263,295,947,591.50
  5. Step 5: Solve for x
    x = 263,295,947,591.50/593,437.12
  6. Step 6: Final answer
    x = 443,679.61

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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.