Home / 1,181,865.17-1,772,649.81-329,000.78

Finding the Fourth Proportional to 1,181,865.17, 1,772,649.81 and 329,000.78

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Solution

The fourth proportional to 1,181,865.17, 1,772,649.81 and 329,000.78 is: 493,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,865.17 : 1,772,649.81 = 329,000.78 : x
  2. Step 2: Convert to fraction form
    1,181,865.17/1,772,649.81 = 329,000.78/x
  3. Step 3: Cross multiply
    1,181,865.17x = 1,772,649.81 × 329,000.78
  4. Step 4: Simplify right side
    1,181,865.17x = 583,203,161,293.60
  5. Step 5: Solve for x
    x = 583,203,161,293.60/1,181,865.17
  6. Step 6: Final answer
    x = 493,459.98

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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.