Home / 482,938.80-725,099.40-272,986.80

Finding the Fourth Proportional to 482,938.80, 725,099.40 and 272,986.80

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Solution

The fourth proportional to 482,938.80, 725,099.40 and 272,986.80 is: 409,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,938.80 : 725,099.40 = 272,986.80 : x
  2. Step 2: Convert to fraction form
    482,938.80/725,099.40 = 272,986.80/x
  3. Step 3: Cross multiply
    482,938.80x = 725,099.40 × 272,986.80
  4. Step 4: Simplify right side
    482,938.80x = 197,942,564,887.92
  5. Step 5: Solve for x
    x = 197,942,564,887.92/482,938.80
  6. Step 6: Final answer
    x = 409,870.91

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1.5x scale

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.