Home / 539,776.02-809,665.05-140,416.15

Finding the Fourth Proportional to 539,776.02, 809,665.05 and 140,416.15

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Solution

The fourth proportional to 539,776.02, 809,665.05 and 140,416.15 is: 210,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,776.02 : 809,665.05 = 140,416.15 : x
  2. Step 2: Convert to fraction form
    539,776.02/809,665.05 = 140,416.15/x
  3. Step 3: Cross multiply
    539,776.02x = 809,665.05 × 140,416.15
  4. Step 4: Simplify right side
    539,776.02x = 113,690,049,110.56
  5. Step 5: Solve for x
    x = 113,690,049,110.56/539,776.02
  6. Step 6: Final answer
    x = 210,624.49

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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.