Home / 405,087.32-559,068-244,023.68

Finding the Fourth Proportional to 405,087.32, 559,068 and 244,023.68

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Solution

The fourth proportional to 405,087.32, 559,068 and 244,023.68 is: 336,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,087.32 : 559,068 = 244,023.68 : x
  2. Step 2: Convert to fraction form
    405,087.32/559,068 = 244,023.68/x
  3. Step 3: Cross multiply
    405,087.32x = 559,068 × 244,023.68
  4. Step 4: Simplify right side
    405,087.32x = 136,425,830,730.24
  5. Step 5: Solve for x
    x = 136,425,830,730.24/405,087.32
  6. Step 6: Final answer
    x = 336,781.29

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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.