Home / 628,915.59-943,307.78-179,607.38

Finding the Fourth Proportional to 628,915.59, 943,307.78 and 179,607.38

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Solution

The fourth proportional to 628,915.59, 943,307.78 and 179,607.38 is: 269,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,915.59 : 943,307.78 = 179,607.38 : x
  2. Step 2: Convert to fraction form
    628,915.59/943,307.78 = 179,607.38/x
  3. Step 3: Cross multiply
    628,915.59x = 943,307.78 × 179,607.38
  4. Step 4: Simplify right side
    628,915.59x = 169,425,033,284.84
  5. Step 5: Solve for x
    x = 169,425,033,284.84/628,915.59
  6. Step 6: Final answer
    x = 269,392.33

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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.