Home / 616,823.80-925,581.30-261,777.40

Finding the Fourth Proportional to 616,823.80, 925,581.30 and 261,777.40

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Solution

The fourth proportional to 616,823.80, 925,581.30 and 261,777.40 is: 392,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,823.80 : 925,581.30 = 261,777.40 : x
  2. Step 2: Convert to fraction form
    616,823.80/925,581.30 = 261,777.40/x
  3. Step 3: Cross multiply
    616,823.80x = 925,581.30 × 261,777.40
  4. Step 4: Simplify right side
    616,823.80x = 242,296,266,202.62
  5. Step 5: Solve for x
    x = 242,296,266,202.62/616,823.80
  6. Step 6: Final answer
    x = 392,812.77

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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.