Home / 526,962.81-727,208.48-285,247.37

Finding the Fourth Proportional to 526,962.81, 727,208.48 and 285,247.37

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Solution

The fourth proportional to 526,962.81, 727,208.48 and 285,247.37 is: 393,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,962.81 : 727,208.48 = 285,247.37 : x
  2. Step 2: Convert to fraction form
    526,962.81/727,208.48 = 285,247.37/x
  3. Step 3: Cross multiply
    526,962.81x = 727,208.48 × 285,247.37
  4. Step 4: Simplify right side
    526,962.81x = 207,434,308,892.84
  5. Step 5: Solve for x
    x = 207,434,308,892.84/526,962.81
  6. Step 6: Final answer
    x = 393,641.27

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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.