Home / 953,122.60-1,429,295.10-321,711.40

Finding the Fourth Proportional to 953,122.60, 1,429,295.10 and 321,711.40

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Solution

The fourth proportional to 953,122.60, 1,429,295.10 and 321,711.40 is: 482,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,122.60 : 1,429,295.10 = 321,711.40 : x
  2. Step 2: Convert to fraction form
    953,122.60/1,429,295.10 = 321,711.40/x
  3. Step 3: Cross multiply
    953,122.60x = 1,429,295.10 × 321,711.40
  4. Step 4: Simplify right side
    953,122.60x = 459,820,527,634.14
  5. Step 5: Solve for x
    x = 459,820,527,634.14/953,122.60
  6. Step 6: Final answer
    x = 482,435.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.