Home / 942,828.60-1,301,078.48-513,099.48

Finding the Fourth Proportional to 942,828.60, 1,301,078.48 and 513,099.48

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Solution

The fourth proportional to 942,828.60, 1,301,078.48 and 513,099.48 is: 708,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,828.60 : 1,301,078.48 = 513,099.48 : x
  2. Step 2: Convert to fraction form
    942,828.60/1,301,078.48 = 513,099.48/x
  3. Step 3: Cross multiply
    942,828.60x = 1,301,078.48 × 513,099.48
  4. Step 4: Simplify right side
    942,828.60x = 667,582,691,527.19
  5. Step 5: Solve for x
    x = 667,582,691,527.19/942,828.60
  6. Step 6: Final answer
    x = 708,063.68

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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.