Home / 461,821.35-637,753.60-436,661.28

Finding the Fourth Proportional to 461,821.35, 637,753.60 and 436,661.28

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Solution

The fourth proportional to 461,821.35, 637,753.60 and 436,661.28 is: 603,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,821.35 : 637,753.60 = 436,661.28 : x
  2. Step 2: Convert to fraction form
    461,821.35/637,753.60 = 436,661.28/x
  3. Step 3: Cross multiply
    461,821.35x = 637,753.60 × 436,661.28
  4. Step 4: Simplify right side
    461,821.35x = 278,482,303,846.44
  5. Step 5: Solve for x
    x = 278,482,303,846.44/461,821.35
  6. Step 6: Final answer
    x = 603,008.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.