Home / 746,979.14-1,030,845.25-407,459.54

Finding the Fourth Proportional to 746,979.14, 1,030,845.25 and 407,459.54

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Solution

The fourth proportional to 746,979.14, 1,030,845.25 and 407,459.54 is: 562,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,979.14 : 1,030,845.25 = 407,459.54 : x
  2. Step 2: Convert to fraction form
    746,979.14/1,030,845.25 = 407,459.54/x
  3. Step 3: Cross multiply
    746,979.14x = 1,030,845.25 × 407,459.54
  4. Step 4: Simplify right side
    746,979.14x = 420,027,731,376.19
  5. Step 5: Solve for x
    x = 420,027,731,376.19/746,979.14
  6. Step 6: Final answer
    x = 562,301.82

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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.