Home / 544,635.19-751,543.90-315,146.70

Finding the Fourth Proportional to 544,635.19, 751,543.90 and 315,146.70

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Solution

The fourth proportional to 544,635.19, 751,543.90 and 315,146.70 is: 434,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,635.19 : 751,543.90 = 315,146.70 : x
  2. Step 2: Convert to fraction form
    544,635.19/751,543.90 = 315,146.70/x
  3. Step 3: Cross multiply
    544,635.19x = 751,543.90 × 315,146.70
  4. Step 4: Simplify right side
    544,635.19x = 236,846,576,232.41
  5. Step 5: Solve for x
    x = 236,846,576,232.41/544,635.19
  6. Step 6: Final answer
    x = 434,871.97

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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.