Home / 930,693.92-1,396,047.36-509,740.16

Finding the Fourth Proportional to 930,693.92, 1,396,047.36 and 509,740.16

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Solution

The fourth proportional to 930,693.92, 1,396,047.36 and 509,740.16 is: 764,613.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,693.92 : 1,396,047.36 = 509,740.16 : x
  2. Step 2: Convert to fraction form
    930,693.92/1,396,047.36 = 509,740.16/x
  3. Step 3: Cross multiply
    930,693.92x = 1,396,047.36 × 509,740.16
  4. Step 4: Simplify right side
    930,693.92x = 711,621,404,653.98
  5. Step 5: Solve for x
    x = 711,621,404,653.98/930,693.92
  6. Step 6: Final answer
    x = 764,613.79

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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.