Home / 519,421.28-779,033.50-182,382.71

Finding the Fourth Proportional to 519,421.28, 779,033.50 and 182,382.71

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Solution

The fourth proportional to 519,421.28, 779,033.50 and 182,382.71 is: 273,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,421.28 : 779,033.50 = 182,382.71 : x
  2. Step 2: Convert to fraction form
    519,421.28/779,033.50 = 182,382.71/x
  3. Step 3: Cross multiply
    519,421.28x = 779,033.50 × 182,382.71
  4. Step 4: Simplify right side
    519,421.28x = 142,082,236,559.66
  5. Step 5: Solve for x
    x = 142,082,236,559.66/519,421.28
  6. Step 6: Final answer
    x = 273,539.50

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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.