Home / 772,183.92-1,157,586.95-392,892.51

Finding the Fourth Proportional to 772,183.92, 1,157,586.95 and 392,892.51

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Solution

The fourth proportional to 772,183.92, 1,157,586.95 and 392,892.51 is: 588,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,183.92 : 1,157,586.95 = 392,892.51 : x
  2. Step 2: Convert to fraction form
    772,183.92/1,157,586.95 = 392,892.51/x
  3. Step 3: Cross multiply
    772,183.92x = 1,157,586.95 × 392,892.51
  4. Step 4: Simplify right side
    772,183.92x = 454,807,240,364.28
  5. Step 5: Solve for x
    x = 454,807,240,364.28/772,183.92
  6. Step 6: Final answer
    x = 588,988.23

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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.