Home / 788,489.56-1,088,116.02-425,913.41

Finding the Fourth Proportional to 788,489.56, 1,088,116.02 and 425,913.41

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Solution

The fourth proportional to 788,489.56, 1,088,116.02 and 425,913.41 is: 587,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,489.56 : 1,088,116.02 = 425,913.41 : x
  2. Step 2: Convert to fraction form
    788,489.56/1,088,116.02 = 425,913.41/x
  3. Step 3: Cross multiply
    788,489.56x = 1,088,116.02 × 425,913.41
  4. Step 4: Simplify right side
    788,489.56x = 463,443,204,553.83
  5. Step 5: Solve for x
    x = 463,443,204,553.83/788,489.56
  6. Step 6: Final answer
    x = 587,760.74

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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.