Home / 528,186.24-791,885.34-317,774.88

Finding the Fourth Proportional to 528,186.24, 791,885.34 and 317,774.88

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Solution

The fourth proportional to 528,186.24, 791,885.34 and 317,774.88 is: 476,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,186.24 : 791,885.34 = 317,774.88 : x
  2. Step 2: Convert to fraction form
    528,186.24/791,885.34 = 317,774.88/x
  3. Step 3: Cross multiply
    528,186.24x = 791,885.34 × 317,774.88
  4. Step 4: Simplify right side
    528,186.24x = 251,641,268,892.26
  5. Step 5: Solve for x
    x = 251,641,268,892.26/528,186.24
  6. Step 6: Final answer
    x = 476,425.26

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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.