Home / 750,942.10-1,126,076.46-447,479.38

Finding the Fourth Proportional to 750,942.10, 1,126,076.46 and 447,479.38

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Solution

The fourth proportional to 750,942.10, 1,126,076.46 and 447,479.38 is: 671,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,942.10 : 1,126,076.46 = 447,479.38 : x
  2. Step 2: Convert to fraction form
    750,942.10/1,126,076.46 = 447,479.38/x
  3. Step 3: Cross multiply
    750,942.10x = 1,126,076.46 × 447,479.38
  4. Step 4: Simplify right side
    750,942.10x = 503,895,996,153.40
  5. Step 5: Solve for x
    x = 503,895,996,153.40/750,942.10
  6. Step 6: Final answer
    x = 671,018.44

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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.