Home / 638,108.52-957,188.70-283,056.36

Finding the Fourth Proportional to 638,108.52, 957,188.70 and 283,056.36

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Solution

The fourth proportional to 638,108.52, 957,188.70 and 283,056.36 is: 424,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,108.52 : 957,188.70 = 283,056.36 : x
  2. Step 2: Convert to fraction form
    638,108.52/957,188.70 = 283,056.36/x
  3. Step 3: Cross multiply
    638,108.52x = 957,188.70 × 283,056.36
  4. Step 4: Simplify right side
    638,108.52x = 270,938,349,255.13
  5. Step 5: Solve for x
    x = 270,938,349,255.13/638,108.52
  6. Step 6: Final answer
    x = 424,596.04

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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.