Home / 439,558.08-606,590.40-238,354.08

Finding the Fourth Proportional to 439,558.08, 606,590.40 and 238,354.08

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Solution

The fourth proportional to 439,558.08, 606,590.40 and 238,354.08 is: 328,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,558.08 : 606,590.40 = 238,354.08 : x
  2. Step 2: Convert to fraction form
    439,558.08/606,590.40 = 238,354.08/x
  3. Step 3: Cross multiply
    439,558.08x = 606,590.40 × 238,354.08
  4. Step 4: Simplify right side
    439,558.08x = 144,583,296,728.83
  5. Step 5: Solve for x
    x = 144,583,296,728.83/439,558.08
  6. Step 6: Final answer
    x = 328,928.77

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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.