Home / 369,451.02-509,842.48-199,684.62

Finding the Fourth Proportional to 369,451.02, 509,842.48 and 199,684.62

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Solution

The fourth proportional to 369,451.02, 509,842.48 and 199,684.62 is: 275,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,451.02 : 509,842.48 = 199,684.62 : x
  2. Step 2: Convert to fraction form
    369,451.02/509,842.48 = 199,684.62/x
  3. Step 3: Cross multiply
    369,451.02x = 509,842.48 × 199,684.62
  4. Step 4: Simplify right side
    369,451.02x = 101,807,701,878.66
  5. Step 5: Solve for x
    x = 101,807,701,878.66/369,451.02
  6. Step 6: Final answer
    x = 275,564.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.