Home / 526,921.96-727,157.22-300,580.84

Finding the Fourth Proportional to 526,921.96, 727,157.22 and 300,580.84

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Solution

The fourth proportional to 526,921.96, 727,157.22 and 300,580.84 is: 414,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,921.96 : 727,157.22 = 300,580.84 : x
  2. Step 2: Convert to fraction form
    526,921.96/727,157.22 = 300,580.84/x
  3. Step 3: Cross multiply
    526,921.96x = 727,157.22 × 300,580.84
  4. Step 4: Simplify right side
    526,921.96x = 218,569,527,999.67
  5. Step 5: Solve for x
    x = 218,569,527,999.67/526,921.96
  6. Step 6: Final answer
    x = 414,804.36

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1.5x scale

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.