Home / 624,934.40-862,427.18-353,013.75

Finding the Fourth Proportional to 624,934.40, 862,427.18 and 353,013.75

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Solution

The fourth proportional to 624,934.40, 862,427.18 and 353,013.75 is: 487,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,934.40 : 862,427.18 = 353,013.75 : x
  2. Step 2: Convert to fraction form
    624,934.40/862,427.18 = 353,013.75/x
  3. Step 3: Cross multiply
    624,934.40x = 862,427.18 × 353,013.75
  4. Step 4: Simplify right side
    624,934.40x = 304,448,652,913.73
  5. Step 5: Solve for x
    x = 304,448,652,913.73/624,934.40
  6. Step 6: Final answer
    x = 487,168.98

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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.