Home / 436,206.80-654,310.20-286,907.60

Finding the Fourth Proportional to 436,206.80, 654,310.20 and 286,907.60

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Solution

The fourth proportional to 436,206.80, 654,310.20 and 286,907.60 is: 430,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,206.80 : 654,310.20 = 286,907.60 : x
  2. Step 2: Convert to fraction form
    436,206.80/654,310.20 = 286,907.60/x
  3. Step 3: Cross multiply
    436,206.80x = 654,310.20 × 286,907.60
  4. Step 4: Simplify right side
    436,206.80x = 187,726,569,137.52
  5. Step 5: Solve for x
    x = 187,726,569,137.52/436,206.80
  6. Step 6: Final answer
    x = 430,361.40

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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.