Home / 563,406.21-777,575.03-321,634.17

Finding the Fourth Proportional to 563,406.21, 777,575.03 and 321,634.17

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Solution

The fourth proportional to 563,406.21, 777,575.03 and 321,634.17 is: 443,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,406.21 : 777,575.03 = 321,634.17 : x
  2. Step 2: Convert to fraction form
    563,406.21/777,575.03 = 321,634.17/x
  3. Step 3: Cross multiply
    563,406.21x = 777,575.03 × 321,634.17
  4. Step 4: Simplify right side
    563,406.21x = 250,094,697,778.60
  5. Step 5: Solve for x
    x = 250,094,697,778.60/563,406.21
  6. Step 6: Final answer
    x = 443,897.66

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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.