Home / 876,796.50-1,209,979.17-474,388.50

Finding the Fourth Proportional to 876,796.50, 1,209,979.17 and 474,388.50

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Solution

The fourth proportional to 876,796.50, 1,209,979.17 and 474,388.50 is: 654,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,796.50 : 1,209,979.17 = 474,388.50 : x
  2. Step 2: Convert to fraction form
    876,796.50/1,209,979.17 = 474,388.50/x
  3. Step 3: Cross multiply
    876,796.50x = 1,209,979.17 × 474,388.50
  4. Step 4: Simplify right side
    876,796.50x = 574,000,203,487.55
  5. Step 5: Solve for x
    x = 574,000,203,487.55/876,796.50
  6. Step 6: Final answer
    x = 654,656.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.