Home / 430,380.48-593,916.32-239,389.76

Finding the Fourth Proportional to 430,380.48, 593,916.32 and 239,389.76

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Solution

The fourth proportional to 430,380.48, 593,916.32 and 239,389.76 is: 330,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,380.48 : 593,916.32 = 239,389.76 : x
  2. Step 2: Convert to fraction form
    430,380.48/593,916.32 = 239,389.76/x
  3. Step 3: Cross multiply
    430,380.48x = 593,916.32 × 239,389.76
  4. Step 4: Simplify right side
    430,380.48x = 142,177,485,304.88
  5. Step 5: Solve for x
    x = 142,177,485,304.88/430,380.48
  6. Step 6: Final answer
    x = 330,353.01

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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.