Home / 398,231.02-595,942.80-248,541.40

Finding the Fourth Proportional to 398,231.02, 595,942.80 and 248,541.40

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Solution

The fourth proportional to 398,231.02, 595,942.80 and 248,541.40 is: 371,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,231.02 : 595,942.80 = 248,541.40 : x
  2. Step 2: Convert to fraction form
    398,231.02/595,942.80 = 248,541.40/x
  3. Step 3: Cross multiply
    398,231.02x = 595,942.80 × 248,541.40
  4. Step 4: Simplify right side
    398,231.02x = 148,116,457,831.92
  5. Step 5: Solve for x
    x = 148,116,457,831.92/398,231.02
  6. Step 6: Final answer
    x = 371,936.01

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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.