Home / 677,151.78-934,463.49-371,222.60

Finding the Fourth Proportional to 677,151.78, 934,463.49 and 371,222.60

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Solution

The fourth proportional to 677,151.78, 934,463.49 and 371,222.60 is: 512,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,151.78 : 934,463.49 = 371,222.60 : x
  2. Step 2: Convert to fraction form
    677,151.78/934,463.49 = 371,222.60/x
  3. Step 3: Cross multiply
    677,151.78x = 934,463.49 × 371,222.60
  4. Step 4: Simplify right side
    677,151.78x = 346,893,961,690.56
  5. Step 5: Solve for x
    x = 346,893,961,690.56/677,151.78
  6. Step 6: Final answer
    x = 512,283.91

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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.