Home / 677,556.63-935,029.49-371,635.50

Finding the Fourth Proportional to 677,556.63, 935,029.49 and 371,635.50

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Solution

The fourth proportional to 677,556.63, 935,029.49 and 371,635.50 is: 512,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,556.63 : 935,029.49 = 371,635.50 : x
  2. Step 2: Convert to fraction form
    677,556.63/935,029.49 = 371,635.50/x
  3. Step 3: Cross multiply
    677,556.63x = 935,029.49 × 371,635.50
  4. Step 4: Simplify right side
    677,556.63x = 347,490,152,030.90
  5. Step 5: Solve for x
    x = 347,490,152,030.90/677,556.63
  6. Step 6: Final answer
    x = 512,857.73

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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.