Home / 528,919.20-793,216.80-173,851.20

Finding the Fourth Proportional to 528,919.20, 793,216.80 and 173,851.20

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Solution

The fourth proportional to 528,919.20, 793,216.80 and 173,851.20 is: 260,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,919.20 : 793,216.80 = 173,851.20 : x
  2. Step 2: Convert to fraction form
    528,919.20/793,216.80 = 173,851.20/x
  3. Step 3: Cross multiply
    528,919.20x = 793,216.80 × 173,851.20
  4. Step 4: Simplify right side
    528,919.20x = 137,901,692,540.16
  5. Step 5: Solve for x
    x = 137,901,692,540.16/528,919.20
  6. Step 6: Final answer
    x = 260,723.55

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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.