Home / 405,434.16-559,587.96-235,766.16

Finding the Fourth Proportional to 405,434.16, 559,587.96 and 235,766.16

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Solution

The fourth proportional to 405,434.16, 559,587.96 and 235,766.16 is: 325,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,434.16 : 559,587.96 = 235,766.16 : x
  2. Step 2: Convert to fraction form
    405,434.16/559,587.96 = 235,766.16/x
  3. Step 3: Cross multiply
    405,434.16x = 559,587.96 × 235,766.16
  4. Step 4: Simplify right side
    405,434.16x = 131,931,904,511.43
  5. Step 5: Solve for x
    x = 131,931,904,511.43/405,434.16
  6. Step 6: Final answer
    x = 325,408.95

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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.