Home / 360,619.90-497,649.32-199,474.82

Finding the Fourth Proportional to 360,619.90, 497,649.32 and 199,474.82

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Solution

The fourth proportional to 360,619.90, 497,649.32 and 199,474.82 is: 275,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,619.90 : 497,649.32 = 199,474.82 : x
  2. Step 2: Convert to fraction form
    360,619.90/497,649.32 = 199,474.82/x
  3. Step 3: Cross multiply
    360,619.90x = 497,649.32 × 199,474.82
  4. Step 4: Simplify right side
    360,619.90x = 99,268,505,044.50
  5. Step 5: Solve for x
    x = 99,268,505,044.50/360,619.90
  6. Step 6: Final answer
    x = 275,271.85

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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.