Home / 539,921.80-809,882.70-362,974.60

Finding the Fourth Proportional to 539,921.80, 809,882.70 and 362,974.60

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Solution

The fourth proportional to 539,921.80, 809,882.70 and 362,974.60 is: 544,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,921.80 : 809,882.70 = 362,974.60 : x
  2. Step 2: Convert to fraction form
    539,921.80/809,882.70 = 362,974.60/x
  3. Step 3: Cross multiply
    539,921.80x = 809,882.70 × 362,974.60
  4. Step 4: Simplify right side
    539,921.80x = 293,966,849,079.42
  5. Step 5: Solve for x
    x = 293,966,849,079.42/539,921.80
  6. Step 6: Final answer
    x = 544,461.90

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Double scale
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Similar ratio
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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.