Home / 395,128.29-592,093.74-261,529.93

Finding the Fourth Proportional to 395,128.29, 592,093.74 and 261,529.93

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Solution

The fourth proportional to 395,128.29, 592,093.74 and 261,529.93 is: 391,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,128.29 : 592,093.74 = 261,529.93 : x
  2. Step 2: Convert to fraction form
    395,128.29/592,093.74 = 261,529.93/x
  3. Step 3: Cross multiply
    395,128.29x = 592,093.74 × 261,529.93
  4. Step 4: Simplify right side
    395,128.29x = 154,850,232,895.40
  5. Step 5: Solve for x
    x = 154,850,232,895.40/395,128.29
  6. Step 6: Final answer
    x = 391,898.62

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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.