Home / 311,037.20-466,555.80-211,504.40

Finding the Fourth Proportional to 311,037.20, 466,555.80 and 211,504.40

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Solution

The fourth proportional to 311,037.20, 466,555.80 and 211,504.40 is: 317,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,037.20 : 466,555.80 = 211,504.40 : x
  2. Step 2: Convert to fraction form
    311,037.20/466,555.80 = 211,504.40/x
  3. Step 3: Cross multiply
    311,037.20x = 466,555.80 × 211,504.40
  4. Step 4: Simplify right side
    311,037.20x = 98,678,604,545.52
  5. Step 5: Solve for x
    x = 98,678,604,545.52/311,037.20
  6. Step 6: Final answer
    x = 317,256.60

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1.5x scale

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.