Home / 830,006.60-1,245,593.10-531,213.80

Finding the Fourth Proportional to 830,006.60, 1,245,593.10 and 531,213.80

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Solution

The fourth proportional to 830,006.60, 1,245,593.10 and 531,213.80 is: 797,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,006.60 : 1,245,593.10 = 531,213.80 : x
  2. Step 2: Convert to fraction form
    830,006.60/1,245,593.10 = 531,213.80/x
  3. Step 3: Cross multiply
    830,006.60x = 1,245,593.10 × 531,213.80
  4. Step 4: Simplify right side
    830,006.60x = 661,676,243,904.78
  5. Step 5: Solve for x
    x = 661,676,243,904.78/830,006.60
  6. Step 6: Final answer
    x = 797,193.95

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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.