Home / 502,056.90-753,080.55-122,979.30

Finding the Fourth Proportional to 502,056.90, 753,080.55 and 122,979.30

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Solution

The fourth proportional to 502,056.90, 753,080.55 and 122,979.30 is: 184,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,056.90 : 753,080.55 = 122,979.30 : x
  2. Step 2: Convert to fraction form
    502,056.90/753,080.55 = 122,979.30/x
  3. Step 3: Cross multiply
    502,056.90x = 753,080.55 × 122,979.30
  4. Step 4: Simplify right side
    502,056.90x = 92,613,318,882.62
  5. Step 5: Solve for x
    x = 92,613,318,882.62/502,056.90
  6. Step 6: Final answer
    x = 184,467.77

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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.