Home / 515,317.55-773,206.36-199,799.06

Finding the Fourth Proportional to 515,317.55, 773,206.36 and 199,799.06

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Solution

The fourth proportional to 515,317.55, 773,206.36 and 199,799.06 is: 299,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,317.55 : 773,206.36 = 199,799.06 : x
  2. Step 2: Convert to fraction form
    515,317.55/773,206.36 = 199,799.06/x
  3. Step 3: Cross multiply
    515,317.55x = 773,206.36 × 199,799.06
  4. Step 4: Simplify right side
    515,317.55x = 154,485,899,548.49
  5. Step 5: Solve for x
    x = 154,485,899,548.49/515,317.55
  6. Step 6: Final answer
    x = 299,787.77

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1.5x scale

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.