Home / 376,613.02-519,816.41-215,561.43

Finding the Fourth Proportional to 376,613.02, 519,816.41 and 215,561.43

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Solution

The fourth proportional to 376,613.02, 519,816.41 and 215,561.43 is: 297,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,613.02 : 519,816.41 = 215,561.43 : x
  2. Step 2: Convert to fraction form
    376,613.02/519,816.41 = 215,561.43/x
  3. Step 3: Cross multiply
    376,613.02x = 519,816.41 × 215,561.43
  4. Step 4: Simplify right side
    376,613.02x = 112,052,367,551.90
  5. Step 5: Solve for x
    x = 112,052,367,551.90/376,613.02
  6. Step 6: Final answer
    x = 297,526.54

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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.