Home / 589,444.17-813,432.97-321,172.17

Finding the Fourth Proportional to 589,444.17, 813,432.97 and 321,172.17

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Solution

The fourth proportional to 589,444.17, 813,432.97 and 321,172.17 is: 443,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,444.17 : 813,432.97 = 321,172.17 : x
  2. Step 2: Convert to fraction form
    589,444.17/813,432.97 = 321,172.17/x
  3. Step 3: Cross multiply
    589,444.17x = 813,432.97 × 321,172.17
  4. Step 4: Simplify right side
    589,444.17x = 261,252,032,244.50
  5. Step 5: Solve for x
    x = 261,252,032,244.50/589,444.17
  6. Step 6: Final answer
    x = 443,217.60

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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.