Home / 1,181,872.64-1,772,549.76-340,241.60

Finding the Fourth Proportional to 1,181,872.64, 1,772,549.76 and 340,241.60

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Solution

The fourth proportional to 1,181,872.64, 1,772,549.76 and 340,241.60 is: 510,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,872.64 : 1,772,549.76 = 340,241.60 : x
  2. Step 2: Convert to fraction form
    1,181,872.64/1,772,549.76 = 340,241.60/x
  3. Step 3: Cross multiply
    1,181,872.64x = 1,772,549.76 × 340,241.60
  4. Step 4: Simplify right side
    1,181,872.64x = 603,095,166,422.02
  5. Step 5: Solve for x
    x = 603,095,166,422.02/1,181,872.64
  6. Step 6: Final answer
    x = 510,287.78

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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.