Home / 332,787.13-459,303.94-321,715.45

Finding the Fourth Proportional to 332,787.13, 459,303.94 and 321,715.45

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Solution

The fourth proportional to 332,787.13, 459,303.94 and 321,715.45 is: 444,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,787.13 : 459,303.94 = 321,715.45 : x
  2. Step 2: Convert to fraction form
    332,787.13/459,303.94 = 321,715.45/x
  3. Step 3: Cross multiply
    332,787.13x = 459,303.94 × 321,715.45
  4. Step 4: Simplify right side
    332,787.13x = 147,765,173,041.39
  5. Step 5: Solve for x
    x = 147,765,173,041.39/332,787.13
  6. Step 6: Final answer
    x = 444,023.10

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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.