Home / 461,087.40-636,287.94-257,144.52

Finding the Fourth Proportional to 461,087.40, 636,287.94 and 257,144.52

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Solution

The fourth proportional to 461,087.40, 636,287.94 and 257,144.52 is: 354,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,087.40 : 636,287.94 = 257,144.52 : x
  2. Step 2: Convert to fraction form
    461,087.40/636,287.94 = 257,144.52/x
  3. Step 3: Cross multiply
    461,087.40x = 636,287.94 × 257,144.52
  4. Step 4: Simplify right side
    461,087.40x = 163,617,956,913.09
  5. Step 5: Solve for x
    x = 163,617,956,913.09/461,087.40
  6. Step 6: Final answer
    x = 354,852.37

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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.