Home / 624,638.07-862,000.83-338,158.17

Finding the Fourth Proportional to 624,638.07, 862,000.83 and 338,158.17

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Solution

The fourth proportional to 624,638.07, 862,000.83 and 338,158.17 is: 466,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,638.07 : 862,000.83 = 338,158.17 : x
  2. Step 2: Convert to fraction form
    624,638.07/862,000.83 = 338,158.17/x
  3. Step 3: Cross multiply
    624,638.07x = 862,000.83 × 338,158.17
  4. Step 4: Simplify right side
    624,638.07x = 291,492,623,211.28
  5. Step 5: Solve for x
    x = 291,492,623,211.28/624,638.07
  6. Step 6: Final answer
    x = 466,658.43

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1.5x scale

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.