Home / 954,178.16-1,431,442.20-392,906.48

Finding the Fourth Proportional to 954,178.16, 1,431,442.20 and 392,906.48

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Solution

The fourth proportional to 954,178.16, 1,431,442.20 and 392,906.48 is: 589,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,178.16 : 1,431,442.20 = 392,906.48 : x
  2. Step 2: Convert to fraction form
    954,178.16/1,431,442.20 = 392,906.48/x
  3. Step 3: Cross multiply
    954,178.16x = 1,431,442.20 × 392,906.48
  4. Step 4: Simplify right side
    954,178.16x = 562,422,916,125.46
  5. Step 5: Solve for x
    x = 562,422,916,125.46/954,178.16
  6. Step 6: Final answer
    x = 589,431.76

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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.