Home / 539,541.30-809,968.05-273,164.70

Finding the Fourth Proportional to 539,541.30, 809,968.05 and 273,164.70

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Solution

The fourth proportional to 539,541.30, 809,968.05 and 273,164.70 is: 410,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,541.30 : 809,968.05 = 273,164.70 : x
  2. Step 2: Convert to fraction form
    539,541.30/809,968.05 = 273,164.70/x
  3. Step 3: Cross multiply
    539,541.30x = 809,968.05 × 273,164.70
  4. Step 4: Simplify right side
    539,541.30x = 221,254,679,387.84
  5. Step 5: Solve for x
    x = 221,254,679,387.84/539,541.30
  6. Step 6: Final answer
    x = 410,079.23

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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.