Home / 810,245.67-1,118,161.57-447,692.89

Finding the Fourth Proportional to 810,245.67, 1,118,161.57 and 447,692.89

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Solution

The fourth proportional to 810,245.67, 1,118,161.57 and 447,692.89 is: 617,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,245.67 : 1,118,161.57 = 447,692.89 : x
  2. Step 2: Convert to fraction form
    810,245.67/1,118,161.57 = 447,692.89/x
  3. Step 3: Cross multiply
    810,245.67x = 1,118,161.57 × 447,692.89
  4. Step 4: Simplify right side
    810,245.67x = 500,592,984,760.24
  5. Step 5: Solve for x
    x = 500,592,984,760.24/810,245.67
  6. Step 6: Final answer
    x = 617,828.65

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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.