Home / 515,244.30-773,158.77-199,723.02

Finding the Fourth Proportional to 515,244.30, 773,158.77 and 199,723.02

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Solution

The fourth proportional to 515,244.30, 773,158.77 and 199,723.02 is: 299,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,244.30 : 773,158.77 = 199,723.02 : x
  2. Step 2: Convert to fraction form
    515,244.30/773,158.77 = 199,723.02/x
  3. Step 3: Cross multiply
    515,244.30x = 773,158.77 × 199,723.02
  4. Step 4: Simplify right side
    515,244.30x = 154,417,604,483.89
  5. Step 5: Solve for x
    x = 154,417,604,483.89/515,244.30
  6. Step 6: Final answer
    x = 299,697.84

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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.