Home / 683,261.92-942,831.66-396,842.68

Finding the Fourth Proportional to 683,261.92, 942,831.66 and 396,842.68

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Solution

The fourth proportional to 683,261.92, 942,831.66 and 396,842.68 is: 547,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,261.92 : 942,831.66 = 396,842.68 : x
  2. Step 2: Convert to fraction form
    683,261.92/942,831.66 = 396,842.68/x
  3. Step 3: Cross multiply
    683,261.92x = 942,831.66 × 396,842.68
  4. Step 4: Simplify right side
    683,261.92x = 374,155,842,743.25
  5. Step 5: Solve for x
    x = 374,155,842,743.25/683,261.92
  6. Step 6: Final answer
    x = 547,602.36

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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.