Home / 519,943.55-779,931.22-178,382.19

Finding the Fourth Proportional to 519,943.55, 779,931.22 and 178,382.19

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Solution

The fourth proportional to 519,943.55, 779,931.22 and 178,382.19 is: 267,578.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,943.55 : 779,931.22 = 178,382.19 : x
  2. Step 2: Convert to fraction form
    519,943.55/779,931.22 = 178,382.19/x
  3. Step 3: Cross multiply
    519,943.55x = 779,931.22 × 178,382.19
  4. Step 4: Simplify right side
    519,943.55x = 139,125,839,072.97
  5. Step 5: Solve for x
    x = 139,125,839,072.97/519,943.55
  6. Step 6: Final answer
    x = 267,578.74

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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.