Home / 447,194.20-669,041.70-289,730.20

Finding the Fourth Proportional to 447,194.20, 669,041.70 and 289,730.20

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Solution

The fourth proportional to 447,194.20, 669,041.70 and 289,730.20 is: 433,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,194.20 : 669,041.70 = 289,730.20 : x
  2. Step 2: Convert to fraction form
    447,194.20/669,041.70 = 289,730.20/x
  3. Step 3: Cross multiply
    447,194.20x = 669,041.70 × 289,730.20
  4. Step 4: Simplify right side
    447,194.20x = 193,841,585,549.34
  5. Step 5: Solve for x
    x = 193,841,585,549.34/447,194.20
  6. Step 6: Final answer
    x = 433,461.76

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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.