Home / 783,197.64-1,080,986.58-443,853

Finding the Fourth Proportional to 783,197.64, 1,080,986.58 and 443,853

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Solution

The fourth proportional to 783,197.64, 1,080,986.58 and 443,853 is: 612,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,197.64 : 1,080,986.58 = 443,853 : x
  2. Step 2: Convert to fraction form
    783,197.64/1,080,986.58 = 443,853/x
  3. Step 3: Cross multiply
    783,197.64x = 1,080,986.58 × 443,853
  4. Step 4: Simplify right side
    783,197.64x = 479,799,136,492.74
  5. Step 5: Solve for x
    x = 479,799,136,492.74/783,197.64
  6. Step 6: Final answer
    x = 612,615.66

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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.