Home / 545,174.08-752,103.84-384,003.52

Finding the Fourth Proportional to 545,174.08, 752,103.84 and 384,003.52

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Solution

The fourth proportional to 545,174.08, 752,103.84 and 384,003.52 is: 529,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,174.08 : 752,103.84 = 384,003.52 : x
  2. Step 2: Convert to fraction form
    545,174.08/752,103.84 = 384,003.52/x
  3. Step 3: Cross multiply
    545,174.08x = 752,103.84 × 384,003.52
  4. Step 4: Simplify right side
    545,174.08x = 288,810,521,965.52
  5. Step 5: Solve for x
    x = 288,810,521,965.52/545,174.08
  6. Step 6: Final answer
    x = 529,758.35

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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.