Home / 524,623.80-785,769.30-405,910.20

Finding the Fourth Proportional to 524,623.80, 785,769.30 and 405,910.20

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Solution

The fourth proportional to 524,623.80, 785,769.30 and 405,910.20 is: 607,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,623.80 : 785,769.30 = 405,910.20 : x
  2. Step 2: Convert to fraction form
    524,623.80/785,769.30 = 405,910.20/x
  3. Step 3: Cross multiply
    524,623.80x = 785,769.30 × 405,910.20
  4. Step 4: Simplify right side
    524,623.80x = 318,951,773,716.86
  5. Step 5: Solve for x
    x = 318,951,773,716.86/524,623.80
  6. Step 6: Final answer
    x = 607,962.84

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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.