Home / 548,590.10-757,117.08-306,933.89

Finding the Fourth Proportional to 548,590.10, 757,117.08 and 306,933.89

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Solution

The fourth proportional to 548,590.10, 757,117.08 and 306,933.89 is: 423,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,590.10 : 757,117.08 = 306,933.89 : x
  2. Step 2: Convert to fraction form
    548,590.10/757,117.08 = 306,933.89/x
  3. Step 3: Cross multiply
    548,590.10x = 757,117.08 × 306,933.89
  4. Step 4: Simplify right side
    548,590.10x = 232,384,886,764.26
  5. Step 5: Solve for x
    x = 232,384,886,764.26/548,590.10
  6. Step 6: Final answer
    x = 423,603.87

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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.