Home / 463,362.95-639,250.83-281,929.43

Finding the Fourth Proportional to 463,362.95, 639,250.83 and 281,929.43

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Solution

The fourth proportional to 463,362.95, 639,250.83 and 281,929.43 is: 388,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,362.95 : 639,250.83 = 281,929.43 : x
  2. Step 2: Convert to fraction form
    463,362.95/639,250.83 = 281,929.43/x
  3. Step 3: Cross multiply
    463,362.95x = 639,250.83 × 281,929.43
  4. Step 4: Simplify right side
    463,362.95x = 180,223,618,932.67
  5. Step 5: Solve for x
    x = 180,223,618,932.67/463,362.95
  6. Step 6: Final answer
    x = 388,946.98

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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.