Home / 517,639.80-776,197.14-236,916.60

Finding the Fourth Proportional to 517,639.80, 776,197.14 and 236,916.60

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Solution

The fourth proportional to 517,639.80, 776,197.14 and 236,916.60 is: 355,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,639.80 : 776,197.14 = 236,916.60 : x
  2. Step 2: Convert to fraction form
    517,639.80/776,197.14 = 236,916.60/x
  3. Step 3: Cross multiply
    517,639.80x = 776,197.14 × 236,916.60
  4. Step 4: Simplify right side
    517,639.80x = 183,893,987,338.52
  5. Step 5: Solve for x
    x = 183,893,987,338.52/517,639.80
  6. Step 6: Final answer
    x = 355,254.73

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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.