Home / 985,212.54-1,478,402.46-416,562.54

Finding the Fourth Proportional to 985,212.54, 1,478,402.46 and 416,562.54

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Solution

The fourth proportional to 985,212.54, 1,478,402.46 and 416,562.54 is: 625,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,212.54 : 1,478,402.46 = 416,562.54 : x
  2. Step 2: Convert to fraction form
    985,212.54/1,478,402.46 = 416,562.54/x
  3. Step 3: Cross multiply
    985,212.54x = 1,478,402.46 × 416,562.54
  4. Step 4: Simplify right side
    985,212.54x = 615,847,083,879.85
  5. Step 5: Solve for x
    x = 615,847,083,879.85/985,212.54
  6. Step 6: Final answer
    x = 625,090.59

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1.5x scale

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.