Home / 289,266.20-433,899.30-263,461.40

Finding the Fourth Proportional to 289,266.20, 433,899.30 and 263,461.40

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Solution

The fourth proportional to 289,266.20, 433,899.30 and 263,461.40 is: 395,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,266.20 : 433,899.30 = 263,461.40 : x
  2. Step 2: Convert to fraction form
    289,266.20/433,899.30 = 263,461.40/x
  3. Step 3: Cross multiply
    289,266.20x = 433,899.30 × 263,461.40
  4. Step 4: Simplify right side
    289,266.20x = 114,315,717,037.02
  5. Step 5: Solve for x
    x = 114,315,717,037.02/289,266.20
  6. Step 6: Final answer
    x = 395,192.10

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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.