Home / 397,048.03-547,972.90-235,904.40

Finding the Fourth Proportional to 397,048.03, 547,972.90 and 235,904.40

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Solution

The fourth proportional to 397,048.03, 547,972.90 and 235,904.40 is: 325,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,048.03 : 547,972.90 = 235,904.40 : x
  2. Step 2: Convert to fraction form
    397,048.03/547,972.90 = 235,904.40/x
  3. Step 3: Cross multiply
    397,048.03x = 547,972.90 × 235,904.40
  4. Step 4: Simplify right side
    397,048.03x = 129,269,217,601.00
  5. Step 5: Solve for x
    x = 129,269,217,601.00/397,048.03
  6. Step 6: Final answer
    x = 325,575.77

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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.