Home / 436,086.20-654,129.30-317,113.40

Finding the Fourth Proportional to 436,086.20, 654,129.30 and 317,113.40

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Solution

The fourth proportional to 436,086.20, 654,129.30 and 317,113.40 is: 475,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,086.20 : 654,129.30 = 317,113.40 : x
  2. Step 2: Convert to fraction form
    436,086.20/654,129.30 = 317,113.40/x
  3. Step 3: Cross multiply
    436,086.20x = 654,129.30 × 317,113.40
  4. Step 4: Simplify right side
    436,086.20x = 207,433,166,362.62
  5. Step 5: Solve for x
    x = 207,433,166,362.62/436,086.20
  6. Step 6: Final answer
    x = 475,670.10

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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.