Home / 436,076.20-654,114.30-317,103.40

Finding the Fourth Proportional to 436,076.20, 654,114.30 and 317,103.40

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Solution

The fourth proportional to 436,076.20, 654,114.30 and 317,103.40 is: 475,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,076.20 : 654,114.30 = 317,103.40 : x
  2. Step 2: Convert to fraction form
    436,076.20/654,114.30 = 317,103.40/x
  3. Step 3: Cross multiply
    436,076.20x = 654,114.30 × 317,103.40
  4. Step 4: Simplify right side
    436,076.20x = 207,421,868,518.62
  5. Step 5: Solve for x
    x = 207,421,868,518.62/436,076.20
  6. Step 6: Final answer
    x = 475,655.10

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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.