Home / 519,621.40-779,237.70-182,531.80

Finding the Fourth Proportional to 519,621.40, 779,237.70 and 182,531.80

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Solution

The fourth proportional to 519,621.40, 779,237.70 and 182,531.80 is: 273,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,621.40 : 779,237.70 = 182,531.80 : x
  2. Step 2: Convert to fraction form
    519,621.40/779,237.70 = 182,531.80/x
  3. Step 3: Cross multiply
    519,621.40x = 779,237.70 × 182,531.80
  4. Step 4: Simplify right side
    519,621.40x = 142,235,660,008.86
  5. Step 5: Solve for x
    x = 142,235,660,008.86/519,621.40
  6. Step 6: Final answer
    x = 273,729.41

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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.