Home / 954,178.66-1,431,442.95-392,906.98

Finding the Fourth Proportional to 954,178.66, 1,431,442.95 and 392,906.98

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Solution

The fourth proportional to 954,178.66, 1,431,442.95 and 392,906.98 is: 589,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,178.66 : 1,431,442.95 = 392,906.98 : x
  2. Step 2: Convert to fraction form
    954,178.66/1,431,442.95 = 392,906.98/x
  3. Step 3: Cross multiply
    954,178.66x = 1,431,442.95 × 392,906.98
  4. Step 4: Simplify right side
    954,178.66x = 562,423,926,526.79
  5. Step 5: Solve for x
    x = 562,423,926,526.79/954,178.66
  6. Step 6: Final answer
    x = 589,432.51

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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.