Home / 352,192.20-527,510.70-289,984.20

Finding the Fourth Proportional to 352,192.20, 527,510.70 and 289,984.20

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Solution

The fourth proportional to 352,192.20, 527,510.70 and 289,984.20 is: 434,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,192.20 : 527,510.70 = 289,984.20 : x
  2. Step 2: Convert to fraction form
    352,192.20/527,510.70 = 289,984.20/x
  3. Step 3: Cross multiply
    352,192.20x = 527,510.70 × 289,984.20
  4. Step 4: Simplify right side
    352,192.20x = 152,969,768,330.94
  5. Step 5: Solve for x
    x = 152,969,768,330.94/352,192.20
  6. Step 6: Final answer
    x = 434,336.05

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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.