Home / 811,233.02-1,119,456.29-443,637.62

Finding the Fourth Proportional to 811,233.02, 1,119,456.29 and 443,637.62

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Solution

The fourth proportional to 811,233.02, 1,119,456.29 and 443,637.62 is: 612,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,233.02 : 1,119,456.29 = 443,637.62 : x
  2. Step 2: Convert to fraction form
    811,233.02/1,119,456.29 = 443,637.62/x
  3. Step 3: Cross multiply
    811,233.02x = 1,119,456.29 × 443,637.62
  4. Step 4: Simplify right side
    811,233.02x = 496,632,919,701.44
  5. Step 5: Solve for x
    x = 496,632,919,701.44/811,233.02
  6. Step 6: Final answer
    x = 612,195.15

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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.