Home / 592,939.84-818,251.10-321,000.54

Finding the Fourth Proportional to 592,939.84, 818,251.10 and 321,000.54

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Solution

The fourth proportional to 592,939.84, 818,251.10 and 321,000.54 is: 442,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,939.84 : 818,251.10 = 321,000.54 : x
  2. Step 2: Convert to fraction form
    592,939.84/818,251.10 = 321,000.54/x
  3. Step 3: Cross multiply
    592,939.84x = 818,251.10 × 321,000.54
  4. Step 4: Simplify right side
    592,939.84x = 262,659,044,955.59
  5. Step 5: Solve for x
    x = 262,659,044,955.59/592,939.84
  6. Step 6: Final answer
    x = 442,977.56

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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.