Home / 452,638.27-624,381.05-282,577.15

Finding the Fourth Proportional to 452,638.27, 624,381.05 and 282,577.15

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Solution

The fourth proportional to 452,638.27, 624,381.05 and 282,577.15 is: 389,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,638.27 : 624,381.05 = 282,577.15 : x
  2. Step 2: Convert to fraction form
    452,638.27/624,381.05 = 282,577.15/x
  3. Step 3: Cross multiply
    452,638.27x = 624,381.05 × 282,577.15
  4. Step 4: Simplify right side
    452,638.27x = 176,435,816,990.60
  5. Step 5: Solve for x
    x = 176,435,816,990.60/452,638.27
  6. Step 6: Final answer
    x = 389,794.30

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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.