Home / 827,706.20-1,241,559.30-329,070.20

Finding the Fourth Proportional to 827,706.20, 1,241,559.30 and 329,070.20

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Solution

The fourth proportional to 827,706.20, 1,241,559.30 and 329,070.20 is: 493,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,706.20 : 1,241,559.30 = 329,070.20 : x
  2. Step 2: Convert to fraction form
    827,706.20/1,241,559.30 = 329,070.20/x
  3. Step 3: Cross multiply
    827,706.20x = 1,241,559.30 × 329,070.20
  4. Step 4: Simplify right side
    827,706.20x = 408,560,167,162.86
  5. Step 5: Solve for x
    x = 408,560,167,162.86/827,706.20
  6. Step 6: Final answer
    x = 493,605.30

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Half scale
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Double scale
Find fourth proportional to 827,707.20, 1,241,560.80 and 329,071.20
Similar ratio
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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.