Home / 624,972.50-862,462.08-338,492.61

Finding the Fourth Proportional to 624,972.50, 862,462.08 and 338,492.61

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Solution

The fourth proportional to 624,972.50, 862,462.08 and 338,492.61 is: 467,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,972.50 : 862,462.08 = 338,492.61 : x
  2. Step 2: Convert to fraction form
    624,972.50/862,462.08 = 338,492.61/x
  3. Step 3: Cross multiply
    624,972.50x = 862,462.08 × 338,492.61
  4. Step 4: Simplify right side
    624,972.50x = 291,937,040,485.23
  5. Step 5: Solve for x
    x = 291,937,040,485.23/624,972.50
  6. Step 6: Final answer
    x = 467,119.82

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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.