Home / 679,069.20-937,060.64-392,607.75

Finding the Fourth Proportional to 679,069.20, 937,060.64 and 392,607.75

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Solution

The fourth proportional to 679,069.20, 937,060.64 and 392,607.75 is: 541,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,069.20 : 937,060.64 = 392,607.75 : x
  2. Step 2: Convert to fraction form
    679,069.20/937,060.64 = 392,607.75/x
  3. Step 3: Cross multiply
    679,069.20x = 937,060.64 × 392,607.75
  4. Step 4: Simplify right side
    679,069.20x = 367,897,270,465.48
  5. Step 5: Solve for x
    x = 367,897,270,465.48/679,069.20
  6. Step 6: Final answer
    x = 541,766.98

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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.