Home / 676,977.41-1,015,530.81-190,658.34

Finding the Fourth Proportional to 676,977.41, 1,015,530.81 and 190,658.34

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Solution

The fourth proportional to 676,977.41, 1,015,530.81 and 190,658.34 is: 286,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,977.41 : 1,015,530.81 = 190,658.34 : x
  2. Step 2: Convert to fraction form
    676,977.41/1,015,530.81 = 190,658.34/x
  3. Step 3: Cross multiply
    676,977.41x = 1,015,530.81 × 190,658.34
  4. Step 4: Simplify right side
    676,977.41x = 193,619,413,375.80
  5. Step 5: Solve for x
    x = 193,619,413,375.80/676,977.41
  6. Step 6: Final answer
    x = 286,005.72

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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.