Home / 289,256.20-433,884.30-263,451.40

Finding the Fourth Proportional to 289,256.20, 433,884.30 and 263,451.40

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Solution

The fourth proportional to 289,256.20, 433,884.30 and 263,451.40 is: 395,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,256.20 : 433,884.30 = 263,451.40 : x
  2. Step 2: Convert to fraction form
    289,256.20/433,884.30 = 263,451.40/x
  3. Step 3: Cross multiply
    289,256.20x = 433,884.30 × 263,451.40
  4. Step 4: Simplify right side
    289,256.20x = 114,307,426,273.02
  5. Step 5: Solve for x
    x = 114,307,426,273.02/289,256.20
  6. Step 6: Final answer
    x = 395,177.10

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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.