Home / 482,829.20-724,271.49-127,834.00

Finding the Fourth Proportional to 482,829.20, 724,271.49 and 127,834.00

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Solution

The fourth proportional to 482,829.20, 724,271.49 and 127,834.00 is: 191,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,829.20 : 724,271.49 = 127,834.00 : x
  2. Step 2: Convert to fraction form
    482,829.20/724,271.49 = 127,834.00/x
  3. Step 3: Cross multiply
    482,829.20x = 724,271.49 × 127,834.00
  4. Step 4: Simplify right side
    482,829.20x = 92,586,519,841.98
  5. Step 5: Solve for x
    x = 92,586,519,841.98/482,829.20
  6. Step 6: Final answer
    x = 191,758.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.